Science Memes

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brains! (mander.xyz)

submitted 3 weeks ago by [email protected] to c/[email protected]

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[–] [email protected] 2 points 3 weeks ago (12 children)

Brain uses more wattage than a lightbulb, unless we are counting incandescent bulbs because it makes the stat seem more impressive.

[–] SuperIce 37 points 3 weeks ago (6 children)

That phrase first came out when incandescent bulbs were the most common, so they consumed like 60W vs 7W for an equivalent LED bulb. The brain is somewhere around 20W.

[+] [email protected] -8 points 3 weeks ago (3 children)

Yeah and LED bulbs were the norm 15-20 years ago. my point is this is a repost of a Reddit repost of a Tumblr comment that was reposting a factoid that was already wrong when it was originally posted 5-6 years ago.

[–] SuperIce 19 points 3 weeks ago (1 children)

Your timeline is incorrect. 15 years ago was 2009, when CFLs were most common. A 60W equivalent CFL was 13W and 100W equivalent was 23W. My house was still mostly incandescent bulbs with some CFLs for bulbs that had died and weren't on a dimmer. Commercial LED bulbs intended for residential use only started being released in 2009-2010 with incentive from the US government.

[–] [email protected] 1 points 3 weeks ago (1 children)

Ok, not in the US so idk. the last CFL bulb I bought was long before 2009.

Either way, the brain still uses more power than a 13W CFL, and the tumblr post is from 2018, and the Reddit post is even more recent. "It would have been technically correct if it was posted 20 years ago" doesn't really change the fact that it's not true anymore

[–] [email protected] 1 points 2 weeks ago* (last edited 2 weeks ago)

LED was available in the early 2000s I have a few remaining LED lights from about 2001 (and definitely from before 2004) still working. They are much heavier than modern LED lights due to large finned heat sinks and didn't fit in my nicer light fittings. They weren't in supermarkets then, you had to look for them, I may have bought them online

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