› added 6 years ago

250

TIL that printed circuit boards are green because the color can relieve visual fatigue and aid in inspections. Sensors in the human eyes, or cones, are also the most sensitive to green light.

Read more seeedstudio.com

via reddit.com

4kNOg TIL that vomitoriums in ancient Rome were the exits to stadiums and theaters which spewed crowds into the streets. They had nothing to do with purging to eat more.
KObvQ TIL that an animal's brains are also an essential part to tanning hides and furs, and each animal has exactly enough brains to tan its own hide.
gMYJL TIL about the play Gatz. It's an eight hour long reenactment of the novel The Great Gatsby. The entire text of the novel is memorized by the cast.
neONG TIL that only 5.5% of participants responded “yes” to the question: “Is sugar added to cigarettes?”, and only 3.8% of participants indicated being aware that added sugar increases toxins in cigarette smoke.
b9084 TIL about the Nirvana Fallacy. Under this fallacy, the choice is not between real world solutions; it is, rather, a choice between one realistic achievable possibility and another unrealistic solution that could in some way be "better".