BrainStuff: Do Crosswalk and 'Close Door' Buttons Really Do Anything?
5 years ago
1
Are the buttons we push to cross streets, close elevator doors, and nudge the office thermostat really connected to anything? Some aren’t! Learn how these placebo buttons (don’t) work.
Loading comments...
-
1:40
HowStuffWorks_Science
3 years agoStuff of Genius: Alfred Nobel: Dynamite
3292 -
3:21
HowStuffWorks_Science
3 years agoBrainStuff: Can You Really Name A Star?
95 -
3:01
HowStuffWorks_Science
3 years agoBrainStuff: Will Soda Really Ruin Your Teeth?
30 -
2:20
HowStuffWorks_Science
3 years agoBrainStuff: Do Carrots Really Give You Better Eyesight?
12 -
3:29
HowStuffWorks_Science
3 years agoBrainStuff: Do Figs Really Have Dead Wasps In Them?
9 -
3:14
HowStuffWorks_Science
3 years agoBrainStuff: What Is American Cheese Really Made Of?
63 -
2:14
HowStuffWorks_Science
3 years agoBrainStuff: Does The Human Body Really Replace Itself Every 7 Years?
28 -
0:53
angelKing
3 years ago $1.46 earnedReally really really really ready
3.21K9 -
0:10
Luvlee
3 years agoReally, Really?
3722 -
1:02
Ericlaw76
3 years agoO Really?
37
