Home » LED bulbs that flicker, and CFLs that almost never did technology connections

LED bulbs that flicker, and CFLs that almost never did technology connections

by Langsongshipin123



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While the CFL is pretty much done being a thing these days, it was a really great invention for saving energy. But some people claimed they caused them headaches. In this video, I explore the reason that fluorescent light can indeed cause headaches or eyestrain in sensitive people, and I explain why that wasn’t an issue with the CFL. Then we explore the modern LED bulb and how it actually is bringing the cause of this flicker back.

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LED bulbs that flicker, and CFLs that almost never did

LED bulbs that flicker, and CFLs that almost never did

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LED bulbs that flicker, and CFLs that almost never did
technology connections
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46 comments

Smiley P 10/09/2021 - 3:55 AM

1:50 damn right I read all of it, every damn word, without even pausing either, just skim, 10 second rewind and finish up 👌 good to know about slow start bulbs and how they are actually useful, or would be… If we didn't surpass them by now with better LED bulbs and stuff ¯_(ツ)_/¯

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It Depends 10/09/2021 - 3:55 AM

What do you mean not directly visible? For me it is sometimes pretty obviously directly visible, especially when looking with the corner of my eye.

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An Autistic Hegehog 10/09/2021 - 3:55 AM

Yes, I did read all that

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Dalton 10/09/2021 - 3:55 AM

I just want an LED with color rendering on par with incandescent but with adjustable color temperature like how my miniture filming lights have two sets of LEDs with one cool and one warm and the ability to adjust the amount between them.

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Alfa Panzer 10/09/2021 - 3:55 AM

1:49 there's a typo in pre-last paragraph – word "ouTput"

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Riko Lime 10/09/2021 - 3:55 AM

Leds are too damn bright. I cant even see when driving if some turd has led lights. But seems im using cfls in my house (those spiral bulbs). Maybe thats why were getting headaches.. We used to use the old fashioned bulbs and were fine, then they quit selling those, we ran out of extras, and were forced to use the cfl (thanks again obama /sarcasm). I do notice we get headaches and migraines more. We attributed it to stress or age but.. Maybe its the lighting…

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Mirco Franchetti 10/09/2021 - 3:55 AM

4 years later: 1.31M subscribers

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Daily dose of Connor 10/09/2021 - 3:55 AM Reply
14725800369 10/09/2021 - 3:55 AM

LEDS are like marriages. They can last very long and are intended to do so but most don't

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krypton クリプトン 10/09/2021 - 3:55 AM

60hz can have 180 hz and 360hz harmonics

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Tyler Durdin 10/09/2021 - 3:55 AM

Oupout lmao. Anyone else catch this mistake?

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Herr Unsinn 10/09/2021 - 3:55 AM

01:49 Thank you for presenting that full screen written explaination … all 1.5 seconds of it. What will be your next video?… Something on "photographic memory" perhaps? Ha ha!
😅 😂 🤣

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Brad Taus 10/09/2021 - 3:55 AM

1:50 and this is where the "In Defense of the CFL" video idea was born.

It's been wild going back through your videos. This channel is amazing.

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Brendon Drew 10/09/2021 - 3:55 AM

Compact

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raydunakin 10/09/2021 - 3:55 AM

Way back in 1976 I started a job as an artist for a custom silkscreening shop. After a few months I thought my eyes were going bad. I had terrible eyestrain, and even when I wasn't at work my eyes could hardly focus enough to read. Then someone suggested the twin-tube fluorescent lights I worked under might be the problem. So I removed the tubes and just used my incandescent desk lamp. Very soon my vision returned to normal. 

Later we replaced the old fluorescent fixtures with new ones, and I never had any trouble with them. To this day I don't know if the old fixtures had a defect that caused them to flicker at an abnormal rate, or the newer ones just didn't flicker as much.

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Revener666 10/09/2021 - 3:55 AM

Nope and also CRT monitors also did not cause eyestrain unless you had it calibrfated wrong.

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Felix 10/09/2021 - 3:55 AM

Wait, is that some filament in your corner around 10:00? If so, why?

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Ranstone 10/09/2021 - 3:55 AM

I can see the flicker of some LEDs. (Most honestly) I wish there was more information on them when buying them.

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Patrick Kimbrough 10/09/2021 - 3:55 AM

"Cold light" oh our terminology as a culture is so off

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ccubsfan94 10/09/2021 - 3:55 AM

Yes, I did read all of that

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Andrew Skipsey 10/09/2021 - 3:55 AM

35,000 subs, eh? Been a while.

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TaranTatsuuchi 10/09/2021 - 3:55 AM

Dang indeed.

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Jansen Art 10/09/2021 - 3:55 AM

Eyestrain? No. UV damage? YES.

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JonatasAdoM 10/09/2021 - 3:55 AM

I knew it!!! I just knew CFLs had shorter life spans than incandescent light bulbs, and they are quite expensive too!

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JonatasAdoM 10/09/2021 - 3:55 AM

"There is irtually no reason to hold on to incandescent light bulbs anymore"

You mean there is a new way to quickly burn your hands?

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John Feesey 10/09/2021 - 3:55 AM

Thanks. I am a potter.I fire test tiles and snap them with my cell for reference.What's with the weird lines over everything using LEDS? Now I have the answer.Sunlight.

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kmoecub 10/09/2021 - 3:55 AM

CFLS flicker at 60HZ/second. Cheap Chnese LEDs flicker at twice that. Headaches are the result regardless.

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Bloqk-16 10/09/2021 - 3:55 AM

I was impressed on the improvements made to CFLs over a decade's time, as I recall 20 years ago when they were first widely available and affordable, they didn't throw out the brightness of an incandescent bulb; although the CFLs of 20 years ago were marketed as equivalents to incandescent brightness.
Going back 20 years there was a demonstration display of CFLs to incandescent bulbs of equivalent brightness, where flipping a switch would light up the incandescent bulb; flipping another switch would light up the CFL next to the incandescent. To this day I still recall being able to closeup stare straight into the lit CFL with eyes wide-open; where the equivalent 60 watt incandescent had a brightness several levels higher than the CFL, almost blindingly bright, where I had to squint my eyes to view it.
But, years later the brightness of the CFLs improved immensely.

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Jackson Mccreery 10/09/2021 - 3:55 AM

"I'm so thrilled that this channel has passed 35 thousand [subscribers]. It still doesn't quite seem real" *checks and sees 1.23m subscribers" Come a long way in four years, Alec. Kudos.

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Brayden Price 10/09/2021 - 3:55 AM

End of 2020 it was 1 Million, now (Jan ‘21) it's 1.23 Million!

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byron2521 10/09/2021 - 3:55 AM

I don't know if they cause eye strain, but they shouldn't be used in doctor's or dentist offices. A dentist missed a lesion on my tongue because under those lights everything looks the same (color and texture).

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Jo Purcill 10/09/2021 - 3:55 AM

"So glad we passed 35K" … three years later, over 1 million.

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Andy Copeland 10/09/2021 - 3:55 AM

Recycle them?? I always used to smash them into the sidewalk

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pianokeyjoe 10/09/2021 - 3:55 AM

I am so glad that technology finally caught up with my tastes! LED!!!!!! I hate working in the dark..

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LatheWerks 10/09/2021 - 3:55 AM

I use CFLs at 2700 degree color throughout my home. Last longer than LEDs and have similar energy use for a lower purchase price

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LIBERTASJJ 10/09/2021 - 3:55 AM

at the end of video i farted with satisfaction…..

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Kevin Wydler 10/09/2021 - 3:55 AM

Could you make a video on dimming LEDs ?

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mindsurfer101101 10/09/2021 - 3:55 AM

Dreamed of having a successful channel. Humble bragging about 35k subs, now you got over 1M subs. So glad your dream is a reality. We are all enriched by your existence on this medium. Hopefully 10M in a few more years.

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mindsurfer101101 10/09/2021 - 3:55 AM

Yes, I paused to read your diatribe

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brady giltz 10/09/2021 - 3:55 AM

….hope you got sleep

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Peter Sage 10/09/2021 - 3:55 AM

5:50 Hence green phosphors in analog CRO tubes, which rely on persistence of vision, especially with single-gun scopes chopping between two traces.

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Elliot Melloy 10/09/2021 - 3:55 AM

Every shot of the stroboscope discs looked blurry to me, probably the video encoding / decoding. I've seen the effect plenty before as my Technics 1210s had a little strobe light and dots built into the turntable platter, but for me it just wasn't visible in this video.

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Ernő Buzás 10/09/2021 - 3:55 AM

Compact

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mem 10/09/2021 - 3:55 AM

i did actually read all that – love the extra info in your vids

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Joey Thrash 10/09/2021 - 3:55 AM

I have one of those strobe discs that I bought at Radio Shack in the 1970's.

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Patrick Boyle 10/09/2021 - 3:55 AM

You as a maker of Youtube videos should know the true problem with CFLs. They break when you knock them over. I bought big – tall shadow box lights to use in my videos eight years ago. I filled them with expensive CFLs and got decent results. But I had long extension cords snaking all over the room. I am not all that nimble. I was constantly tripping over them and and when the lighting stand came crashing down, one or more CFLs would be demolished. Expensive.

Now that I'm trying to make videos again I have the same kind of stands, and extension cords and I still trip over them. But the LEDs survive. The relevant term is – solid state.

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