In Defense of the CFL: A Retrospective

Opublikowany 19 mar 2021
It really was a bright idea.
Links 'n' stuff!
Old videos referenced:
LED bulbs that flicker, and CFLs that almost never did
pltools.info/it/pnmqqNKouoR8vMY/wideo
GE's bizarre early attempt at a CFL
pltools.info/it/gH6DsJWe0KB_27w/wideo
Technology Connextras (the second channel that stuff goes on sometimes):
pltools.info/put/lRwC5Vc8HrB6vGx6Ti-lhA.html
Technology Connections on Twitter:
TechConnectify
The TC Subreddit
www.reddit.com/r/technologyconnections
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Komentarze

  • Maybe I'm reading the room incorrectly, but a lot of people don't seem to appreciate these wonderful little pieces of lighting history. They certainly had flaws (one I overlooked here was that larger wattage equivalents required the lamp itself to be physically larger) but so does any stepping-stone technology. I want to clarify regarding the flaws fixed by their successors that LEDs can still be prone to premature failure, but it seems more often than not that happens thanks to a manufacturing defect. If you buy a whole bunch of the same lamp perhaps after a few months some will have failed, but the rest will likely stay in operation for years. Look up the bathtub curve if you're interested in that phenomenon. And, somehow, I missed perhaps the most important thing about them. Compared to incandescent lamps, they used 1/4 the energy! LEDs are routinely besting that today, but being able to cut lighting costs by 75% made a big difference. And when you found a sweet-spot application for a CFL, you probably didn't need to replace that lamp for years. So stop hatin' on them!

    • Thank you. My dad was a Lighting Engineer for the local electric company before he retired and it was sold to a big CONGLOMERATION. He extolled the virtues of FL lighting, so much that when we finished our basement in 1972 (I was in high school), that we built and installed FL valances all around the basement and our billiard table. All my friends always wanted to hang out at my house cause our basement was 'cool'. Yea, we had the 4' double tubes mounted in valances on the walls and it threw a a nice light upward and downward to light the area. I remember, some years later, he was excited when he called me to tell me he'd replaced all the incandescent bulbs in their house with CFLs (and this was right when they came out and were exensive, he was so sold on them and he knew about them) - he loved them, except for the outdoor lights (OHiO cold weather). I the front yard, for lighting, and on the barn he'd installed high pressure sodium, and he was able to score a commercial aluminum pole for the back yard for the HPS fixture. Those fixtures are still there today, though the front yard fixture I replaced the ballast ,etc couple of years ago. I CFLd our house when I lived in AZ, and still have several boxes of them and unopened blister packs of bulbs. We would recycle ours at Home Depot and Lowes, as they had a box there with ziplock bags. Yea I've kept 'em around.

    • @5Andysalive We weren't. The majority of the violent crimes committed 40-50 years back could be attributed to lead poisoning. One of the reasons why violent crime has been going down for decades, is because for decades we stopped pumping lead into the air. It isn't the only reason, but it is one of them.

    • @Technology Connections Tbh from what you say, CFLs actually seem like they can be alright. The ones that my parents used when I was a child really sucked in almost any way. Took a minute to get bright and werent even that bright after that, expensive, didnt live long despite in airflow and right way round, the light temperature seemed warm yet somehow sickly (maybe because of the dim light). That was in Germany, with 4x reactangular pipes, in the late 90s. Idk, maybe my parents just bought bad ones, but I hated the ones I had to deal with.

    • @Virginia Hansen In a free market, bribes are commonplace, be it government or not. Thats the irony, the free market kills itself; same reason anarchy does not work, ironically enough.

    • They're terrible in cold climates.

  • I loved these things, but my taste in colour temperature had me using a twin 48" T12 fixture as my bedroom lighting, so I'm not a good indicator. Stupid fact: we didn't call them CFLs in Canada as much, because we have a silly football league here - the Canadian Football League - which already has that short form.

  • Love BIG CLIVE....but he's super low budget :-) Dollar (pound) Store reviews

  • I'll admit that LED lights are my go-to today, but I loved CFL bulbs and installed them everywhere I could when I moved to a new place. They kicked ass.

  • Torturing the bulbs with high voltage to get immediate light... Just the thing bulb manufactures want: an excuse to shorten the lifespan... pltools.info/it/oG2vmaZmxKRxrag/wideo

  • Yea, but you could get them for as little as $1 EACH!!!

  • I'm still not happy with the LED bulbs of today. CRI >80 is not that great, many LEDs are run at to much power which makes them less efficient and die faster, and some still flicker. Not that incandescent bulbs are better, but LEDs have room for improvement...

  • Yeah, literally every light bulb in my house is still a CFL. Getting into LED and colour temperature is a whole mess.

  • I had an older coworker who refused to switch to LED lights because "they took too long to turn on"... clearly he was referring to those early generation CFL bulbs that took time to warm up. Also, I remember when the Obama administration was banning certain wattage incandescent bulbs, there was a backlash from a certain segment of how "unnatural" and "unhealthy" the light from CFLs were.

  • @Technology Connections - From personal experience these CFL bulbs can produce significant ammounts of UV because of: yeallowing + briddle becoming top howsing near the glass & the collection of UV-bleached insects (these bad features may vary on the model of CFL bulb) ... the Incendescent bulbs are hot + power hungry & dont last long , but everything else is perfect for living spaces incl. ZERO high frequency radiation ( pltools.info/it/ZpKgz6us04NmktI/wideo ) Please nothing with "smart" in the name .... just get hold of the extra efficiant "Dubai Lamp" BigClive got.

  • An interesting thing I found as a toy collector is that some types of plastic actually yellow as a result of NOT exposing them to UV light. UV paradoxically also causes a bleaching effect, and the best way to deal with yellowing toys is to bathe them in highly diluted hydrogen peroxide with UV lights to speed up the process. This doesn't really apply to the clear polycarbonate or POM that are used in light fixtures, just ABS. While UV does cause the same reactions in different types of plastics, it's the ratios by which those reactions occur that that determine what the end result will be.

  • I live in a third world country and ten years ago they were the latest and greatest.

  • I'd call this a "CFL Apology" video

  • The technologies of the past = create UV and X-rays and rely on phosphor coating to protect our asses.

  • Question. Do you have any idea of where I can find info on how much FL bulb put out? (thinking of getting a 254nm UVC 36w bulb installed in my HVAC, but don't wish to have any firehazard). Thank you so much for your video's.

  • The bloopers are awesome! But to prevent thwm from knocking on the table, you could have wrapped the ends in some white foam :D no-one would have noticed!

  • Speaking from personal experience living in Croatia, they were highly resisted by (no pun intended) moronic general public at the time when Web 2.0 began to explode for the first time (blogs, forums) and various kooks and New Age scammers figured out they could sell their bullshit by filling people's brains with fear. Most of that fear came in regards to mercury content. People were scared of acute poisoning from just using these light sources. There was also lots of "muh freedums" crap talk coupled with the intention to lower energy consuption and carbon footprint which these things did really well. Eventually, the reason prevailed and CFLs became a standard. One thing I worry about LEDs is their life cycle carbon footprint. Sure, they are extremely efficient at generating light, but are they that better when it comes to carbon footprint when we examine how they're made? I think we should talk more about that.

  • In the UK, those long fluorescent tubes were very commonly used in kitchens, before halogens and then LED’s took over

  • Should've mentioned cold cathode CFL. Those can handle frequent starts much better. But efficiency is somewhat worse.

  • I must have at least one Curly Bulb so I can show people how my Alexandrite Glass collection changes color!

  • 12;45 Lets say you changed out all your bulbs when CFLs where the best and LEDs were still insanely expensive. Hypothetical of course ;) that person may have quite a few "Ah Ha!" moments around that time stamp. Again, hypothetically.

  • CFLs were/are very popular in india and most of South east Asia

  • When I was young, we had some of those CFL lamps; they were marketed under the name "Energysparlampe" (energy saving lamp) in Germany. Usually used a rectangular shape with 4 beams. And maybe my parents just choose poorly, but those were really bad. Those were normal CFLs, but they actually took at least a minute for full brightness, and even then they werent too bright. While they had a warm color, they also just seemed weird, somehow less pleasant than an incadescent light. They also really didnt survive long; and thats despite being not enclosed and I think even upright in some places. The killer was that they were much more expensive than normal lamps.

  • How to find you on instagram?

  • I still use these. I didn't know they weren't common anymore.

  • i remember the cheap one making buzz my audio XD

  • Fluorescent lamps illuminate more and last even longer than the LED, I have two T5 15w 4,000K in the kitchen and they have been glowing perfectly well for ten years and their edges are not yet darkened. LED I already lost count how many times I changed it once or twice a year, even though it is a Philips brand. HID will always be better

  • CFLs are the ugglest light source I have ever seen. I'm not talking about the package no I mean the the light it produces. I was once in a restaurant which it had only these. The green vegetables looked dead due to the light and it's lack of green frequency's It's the same as cheap "warm colour " LEDs which lack red. Just compare your skin colour to a tungsten halogen running at 3200k. I'm sorry but CFLs are a horrible invention. People completely underestimate the effects of colour temperature on the the human mind. Very similar to

  • My attic and basement still have CFL hanging on a open pull string. Since it gets so cold and they are not used frequently the startup to full brightness is very long, now I understand why. I will keep them until they die, since it is not a frequently used living space it gets the job done. I remember there was a big push by the USA Government at the time these emerged to encourage citizens to switch over to these bulbs. A lot of conspiracy theories started about them being filled with poisonous mercury and if you accidently break one you would have to call poison control and pay professionals to clean it up. That definitely scared a lot of people away from these, especially older folks who are not quick to change. That AND the fact that they were way to expensive at the start.

  • Invested all his parent's savings into CFL technology?

  • Not to change the subject, but I am about to change some of my LEDs back to old fashioned incandescent bulbs because the light is so harsh no matter how low the output.

  • Now do GU10 halogen spots.

  • I think we still have a few of these in our house. Rooms we hardly ever use... The lobby, the downstairs toilet... I agree with the premise of this video by the way. CF bulbs were fine, when they were all we had. Glad they're gone now, mind.

  • A lot of the resentment of CFL came because of the feeling of being forced to abandon a tried-and-true favorite in favor of these young upstarts whose bugs hadn't been fully worked out. With all the problems you mentioned, the de facto criminalization of incandescent bulbs, not to mention the flooding of the markets with poor quality imports, we were fed an inferior technology and told we had to like it or lump it. No one is ever going to love adopting technology under those conditions.

  • I've been watching this channel for a while now. I have stood strong through countless "bad" jokes. But something about the delivery of "I *think* they know algebra!" finally made me laugh out loud.

  • Still have one of these in my downstairs toilet going strong...god knows how long, easily 10 years.

  • I didn't mind CFLs at all until I moved into a new place and had to replace every bulb in every lighting fixture (ceiling-mounted, open-air) because wasps and flies decided that the inside of the CFL helix was the best place to...nest?

  • My mom’s house has a fluorescent light fixture in the kitchen ceiling which is pretty neat

  • I find that LED bulbs last even less time than CFL's. They seem to run just as hot if not hotter when upside down. Unfortunately upside down is the usual way up for simple ceiling fittings. Either that or completely enclosed. The only right side up fittings I have are bedside lamps with 5 watt equivalent LED bulbs that would probably run fine upside down too. I think that the glass spiral CFL's look much better than the opaque plastic LED bulbs, which look like toys. I do like the look of the transparent LED bulbs with the "filaments". But for their long life and low cost I prefer incandescent bulbs. But the best lamps of all are the 4 foot long fluorescent tubes. Used with electronic ballasts they last ages. I have some tubes that have lasted two decades and are still going. And mine are dimmable too.

  • I think in the UK, part of the dislike was that sale of traditional filament bulbs was banned quite abruptly, and a lot of the traditionalists (probably Brexit voters) thought they were being "told what to do" by being forced to buy CFL's.

  • You forgot the colorful collection.

  • I am one of those particularly sensitive to what I perceived as flicker, but which I now know is pulsing in fluorescent lights. It's nice to know that was not a limitation inherent to the technology. That said, I fixed my room with high-end smart lights a while ago and despite the enormous upfront cost I don't regret it! They're reliable, bright, properly dimmable, colorful when desired, and gentle on the eyes!

  • I kinda liked the dark start effect that some of these had. I have very sensitive eyes, and when I would turn on my lights in the morning to wake up. I liked having the light gently get brighter as my eyes acclimated. I know this wasn't intentional, but IMHO, it was a happy accident.

  • This dude videos are Addictive, I dont know what it is his voice or just his expression But i can't stop looking at his video's

  • 15:20 I still have one of those IKEA fixtures with the mini CFL. I actually like the delayed brightness feature since I have it in the bedroom and it gives my eyes a few seconds to adjust from the darkness.

  • Ah yes, trying to use CFLs outdoors in Northern Wisconsin. Nothing better to facilitate the black market trade in 60 watt incandescent bulbs. Remember - we were forced off of 60 and 40 watt incandescent bulbs by fiat in 2014. I wonder how much of the resentment toward CFLs is that people just couldn't get traditional incandescent bulbs.

  • Here we go. @8:00 Whenever someone cannot give a good argument for their position they claim the public is too stupid to understand why the public is "wrong". People can see and they know what they like to see and what hurts their eyes. Florescent lighting is nasty on the eyes and the PRIMARY reason they were created was to save money....not to provide good light....just as long as it was BARELY acceptable to MOST people...that is, as long as the company manufacturing and selling them didn't have to have a million call centers in India to deal with complaints. Incandescent is still best....cheapest to buy....least dangerous to dispose of...most pleasing light....easily adjusted intensity. The incandescent bulb is merely more expensive to operate. Most every thing that is best does cost more. Face it, florescent lighting is hamburger while incandescent lighting is steak. LED's are still not as good as incandescent.....they are just cheaper....again back to quality vs cost. Can corporate America force inferiour lighting on the public so they can have higher profits? Likely yes, since the corporations can flood the media with positive lies about the lighting. Tell a lie long enough........

  • Here in India, long flurocent tubes are still popular for formal home lighting. They're quite cheap, cheaper than LEDs

  • 6:15 I may be able to explain, at least somewhat. The volume-to-surface-area ratio of any 3D shape increases as the volume increases (assuming the shape itself stays the same); equivalently, the surface-area-to-volume ratio decreases as the volume increases. While fluorescent tubes have much less gas inside to block the radiation from the mercury vapor from reaching the phosphors on the inner surface, it’s not zero, and the amount of gas inside the tube increases when the volume of the tube increases but is unaffected by the surface area (I think). By contrast, the amount of phosphors that can react to the mercury’s radiation is directly proportional to the surface area of the tube but not the volume (this I know for certain). What this basically means is that as the volume (and thus the volume-to-surface-area ratio) decreases, so too does the gas-to-phosphor ratio, which means more of the radiation would reach the phosphors to be absorbed and then emitted in the visible spectrum. There’s probably more to it than that, especially since the amount of mercury, and thus emitted radiation, would also vary according to the volume and/or length of the tube, though this is somewhat mitigated by the mercury also blocking radiation from other atoms of mercury, but I am fairly certain that the volume-to-surface-area ratio is the key factor in why the diameter of the tube is inversely proportional to the intensity of the light emitted.

  • I love that the CFLs are multiplying on the desk

  • For a second I thought this was going to be about the Canadian Football League and was very confused.

  • "underappreciatedly smooth jazz" caption from 21:49

  • Thank you for answering, in a brief side note, the mystery of why my LED bulbs have been dying prematurely in overhead enclosed fixtures.

  • I have one of those slow to glows from 2002 that still works.

  • I think a lot of the resistance and hatred also stemmed from the constant stream of literal propaganda from conservative political circles about them.

  • The intensity of the light is determined by the current density of the fixture. Thinner tubes greater intensity and current density. The problem with not ballasting fluorescent lights is not because of negative resistance, but related to the fact that at a given constant voltage, plasma can assume up to three different forms (dark, glow, arc). The ballast ideally keeps the plasma continuously in the glow discharge region, but we can get away with flickering between the dark and glow region fast enough for the plasma to not get up to speed and start arcing. Things to beware of is that plasma is not a superconductors, and are sensitive to their medium. For an example, look up sprites. Namely the ones that look like jellyfish. That is the same energy and current, but in two different mediums. The tendrils are in a thicker atmosphere, the fluffy parts are in a thinner atmosphere. Cold gasses are denser. You must shape your electrical set up based on the medium, but I am unsure if that would be economical. Considering recent trends, it might just be. Per the mercury problem, use something else, plasma is an oddly deep field of science where it has no right to be, but then electrical sciences still consider electricity a spooky ghost. Dark plasmas are the so called corona or ionising plasmas, they do not glow, but you can feel the tension in the air, or smell ozone. This is most notable around tornadoes and hurricanes. Glow plasmas are also called diffuse discharges, they are mostly non-thermal. And while they usually form tendrils, they can also form sheets. The Sun's surface is identical to a sheet glow plasma. Arc plasmas are the characterised by lightning strikes, but you'd be surprised to learn that there are non-thermal, and non-tendril arc plasmas. It is just very easy to push an arc past the point where it is non-thermal. The latter is known to arc welders. Some fun experimental set ups on youtube show that if you have a continuous glow discharge with enough voltage, the main filament of plasma forms a cylindrical outer layer, or sprouts hairs.

  • OMG, that fluorescent tube reveal was awesome!

  • I call bullshit on the companies that called these Greener Alternatives to incandescent but if they would have said "IF recycled appropriately the fact they save energy makes them greener" but to convince people that they're just greener is the bullshit part because if not recycled appropriately or if dropped and broken the Mercury inside of them makes them the dirtiest most un-green bulbs out there!!!

  • All my CFL bulbs always died within a few months. 👎

  • I'm a third worlder that raised by cfl. Even when those things still relatively expensive back then, my mother hates the electricity bill that come with incandescent lamp. When cheap cfl bulb become a thing, those little incandescent bulb quickly get replaced. Thus I acquire a taste for bright white light, I would never knowingly buy cfl or led that mimic incandescent lamp. Sometimes I wonder why you first worlder cling to worse technology.

  • "Delay free start". No. CFLS always had a delay. Not as bad as some LED bulbs. But still bad. Incandescent bulbs have a delay we're tuned into. The strange thing with LEDs is their start times vary wildly. Having a bunch of identical bulbs on a single switch makes it painfully obvious. Some even start quicker than a Tungstun bulb. For some reason LED trailer lights always light noticeably faster than the incandescent tail lamps of the tow vehicle. I'm not sure if that's related to them running on 12vdc. LEDs carry the same CRI problem that most florescent did. And they also have a warm up period too. You can get sickly greenish blue light out of a "2700k" LED bulb for a solid 10 minutes after turning a lamp on.

  • I do appreciate what you're saying here, and florescent lights do work well in places where the application makes sense. I think what really left a bad taste in a lot of people's mouths was that the government was trying to force these bulbs on everyone and retire incandescent bulbs when they really weren't suitable as replacements in many situations, like you said. So it was less that people hated CFLs and more that they didn't like having an inadequate replacement for something that had worked well for them for decades forced on them. I can agree that with the perspective of time, the gadgets themselves are kinda neat and it's impressive they managed to shrink down one of those big tubes into something that can fit a standard E26 fitting. My personal problem with CFLs back in the day was that I could tell it was a dead-end technology and that LED was the future even as early as 2007. I could tell the problems with LED were a lot easier to address than the ones with CFL, and I generally felt like a lot of money had been poured into developing and rushing out something that wasn't very practical in order to make it look like they were doing something "right now" for the environment. Do they use less power than an incandescent bulb? Sure, they save some power, but they probably weren't that helpful when you look at the big picture. In colder climates, people probably just wound up using their heat more to make up for not having incandescent bulbs in the room, and in warmer climates like where I live the bulbs were just more prone to failure so people had to replace them more often and throw more away. Not to mention that due to slower starts and lower energy use, a lot of people would just run their lights more often and that also ate into the savings. So okay, we burned less coal, but then now we have all this toxic waste full of mercury ending up the landfills instead... it's trading one problem for another, and it's not like there was some big energy crisis happening that would have justified asking people to change their lifestyles to avoid needing light in situations where CFLs aren't ideal, or justified government policy pushing a product that will result in more waste going into landfills and more risk of mercury exposure in the name of using less power. Especially not when decent LED bulbs that were way more compatible with people's needs and more environmentally friendly were about 5 years away. Of course, back then they didn't know that for sure, and they didn't want to waste their investment in shrinking down florescent bulbs, so they tried to push them out before LEDs rendered them irrelevant. Whether you see it mostly heavy-handed government policy forcing out a premature solution, or a cash grab by the companies that had spent years developing this tech and feared LED, it was something average people hated because they felt something something inferior was being picked for them, and they felt like they had no choice in the matter. Ultimately, the market picked LED somewhat more naturally because people found their characteristics better for indoor use, it was somewhat easier to control the color temperature than with CFLs, they liked the long lifespans, and in general people were used to seeing LEDs in the home so it just seemed like a more natural fit. I think the truth is that a lot of people's negative feelings about CFLs have less to do with technology itself not being cool or useful in a lot of situations, and more to do with the circumstances under which they were introduced and pushed out to people who hadn't chosen them and didn't necessarily find them suitable for their needs. The people who made the policies just looked at how offices were able to use less power with florescent and assumed that somehow those cost savings would naturally transfer over to compact florescent bulbs for people with vastly different use cases and needs than the average office. But the fact is they had big tubes were that were powered on and off about once a day was a big part of what gave them their efficiency and reliability, and trying to fit those advantages into a small bulb like that just didn't make a whole lot of sense. The tube was the ideal form factor for that kind of light source.

  • I used to work in an office with fibre optic lighting. When the sun was setting,it turned pinkish. It was nice.

    • I'm curious what the light source was.

  • Does anyone have any idea why they are a different shape in the UK?

  • That was my issue with them. Short life span for a higher price than traditional bulbs. I have the same issue but even worse for the LED bulbs in Walmart though. Order online... I do like cooler light in the house though, so nice to know that CFL's contributed to that somewhat.

  • I could always tell but then I'm an artist

  • I hate them because they were expensive and broke a easily

  • I love my "ice cream" bulbsbut moved on to LEDs on the burnt out ones I think I have a few Cfl flood lights outside and 1 o 2 cfl bulbs as spares

  • I use LED when I can but they don't work well in closed off light places (lack of ventilation causes premature failure). Still use CFL in my bedroom ceiling light.

  • It deserved all the hate it got, and more!!! I had 3 of them actually catch fire and, had I not been home when this happened, it could have burned my place down all there times. No, I did not have them inside any enclosed areas. I used them in the open fixture above my bathroom mirror. Each time one caught fire, I had to quickly unscrew it and drop it into the sink and turn the water on to put out the rapidly burning plastic. I tried 2 different brands with the same result. Good thing I used them in the bathroom where the lights would be on only if I were in there. Oh, and those cfl's have mercury in them so you are not allowed to just toss them into your trash...you have to take them to a haz mat disposal place. What a joke. I now use nothing but leds.

  • So THAT'S why the bulbs I bought kept dying. I could never figure out why these new expensive bulbs that were supposed to last twice as long as the old bulbs would burn out so much sooner than I expected. On the bright side, it made me switch to LED way before I normally would have.

  • You could make a half hour video on a penny nail….

  • Bad rap is well deserved….

  • I have one of those in my room, and I’m pretty sure it’s been there since the house was built in the mid 80s. I’m not 100% sure but it certainly works perfectly fine. Bit blue lighting but im fine with it.

  • I love CFLs personally... I use one still.

  • I cant stand long form plasma lighting. I think you might have solved the riddle of why I didn't mind the plasma bulb.

  • I’m not sure why people don’t like the way they look. I always thought they looked quite cool.

  • The state where I live is 1 florecent desk lamp, 11 incandescent ones and the last of 5 halogen lamps that died all this year died yesterday. There is actually a funny problem with those. They were all part of one Lamp and because the resistance is much lower with LEDs now there seems to be some sort of frequency to be created somewhere that interferes with the old kitchen radio i.e gets picked up by it instead of our preferred program.

  • CFLs were (as far as I understand) the standard in Canada for years and years, so this video is a little strange to me.

  • Australia made cfl mandatory. Worst than California.

  • I LOVE LAMP

  • Those types of enclosed fixtures you always have to leave a gap at the top for heat to get out by not tightening the screw all the way, even LED's would overheat in those, due to the foil insulation also.

  • "I think they know algebra" 🤣 love your videos

  • Based on my observation, CFLs seemed to glow alright, but didn't emit light very well, and the light that it emitted didn't seem to "bounce" very well.

  • GE made a CFL flood light bulb that had a halogen bulb in the middle of the CFL that stayed on for about a minute while the CFL warmed up so you would have full brightness. I found some of these at dollar tree and thought they were pretty cool so I bought all they had.

  • At 3:55 thanks for specifying that they are metric centimetres, I always wonder if we are talking about those or martian centimetres (which are 100 martian metres with 1 martian metre approximately equal to 5.6703 Ω*Lm^2*kg^(-6) in SI units) :)

  • Glowing computer chip, is this Internet of Things?

  • There is no defense for the CFL. Leaks mercury. Inefficient. Overpriced. and forced into the market when the incandescent was better. Never bought one. Never will.

  • I started using the non tube fluro in 1992 and the first one cost me AUD$29.00 when the incrapdescent were about AUD$0.75. About 4 weeks ago I got rid of the last one when the garage fluro tubes were replaced with LED ones. I have disposed of about 12 to 15 excess bulbs that are still brand new in the box. Was a bit upset that I was unable to find anybody that wanted them now that LEDs are all the rage. Oh well. I think that the LED bulbs are still way too expensive and I bet they don't last the *up to 50,000 hours* either. Had some AliExpress ones that actually blew up after less than 50 hours. They are no longer a source for LED bulbs.

  • 15:00 The one to your left makes your ghastly jacket look orange.

  • Decent for a light you never turn off, or only cycle once a day. but they have a fairly limited lifespan for normal lights that you turn on and off.

  • The number one complaint I always heard with cfls was the time it took for them to reach full brightness.

  • Curious to hear his thoughts on OttLite TrueColor. They were and are marketed for their high CRI for crafters and artists. Of course high CRI in florescent lighting isn't new, but it seemed as though they were fairly ahead of the pack.

  • "I think they know algebra" Legendary

  • We have been cheated. The LEDs do not last anywhere near as long as they claim. They are expensive.

  • It was great when they shattered and created a mercury vapor cloud..

  • I know many people who are 'hung up' on CFL bulbs - it can't be erased from their mind that they are 'better bulbs' because they were the first ones they head of. They can't be convinced of anything else..

  • Another thing that turned people off of CFLs back then was government campaigning to ban the incandescent bulb, which people still preferred, so it became a political issue also. I remember so many people being upset that the government wanted to take their lightbulbs away and stockpiled incandescents & halogen bulbs as a response.

  • I actually liked that they took time to warm up. Living in a rather northern country, winters are long and dark, and while its nice to have a bathroom light that can get bright when it needs to be, its also not nice first thing in the morning being blinded by that light. But for absolutely zero reason the entire internet becomes EXTREMELY hostile towards me when i mention that, and seem to think me installing some piece of shit internet connected smart home LED bulb with a programmable profile on it that costs me £100 + a £5.99 a month subscription is a good alternative, or a dimmable one. dimmable don't slowly get brighter, they stay that dimness. cant get up 17 times during my morning poop to slowly crank the brightness up.

  • These things were hated? My dad was obsessed with them.