› added 12 years ago

287

TIL Hand crank vibrators were popular in the 1900s

Read more vibratormuseum.com

via reddit.com

LkMrQ TIL that the Myers-Brigg Personality Test is characterized as pseudoscience, due to its "consistent problems with repeatability, in addition to problems of whether or not it has exhaustive and mutually exclusive classifications", landing it on the same list as Modern flat Earth beliefs and astrology
1Op4 TIL Actor Sam Elliott provides the voice for Smokey Bear and the actor and character share the same birth date and year. Happy 70th Mr. Elliott and Mr. Bear!
Ypnlv TIL The bottlenose dolphin sleeps by shutting down half its brain along with the opposite eye. The other half remains awake at a low level of alertness to watch for predators and to surface to breath. After about two hours it reverses the process so the other half can rest.
oJGY TIL that the Liberty bell and Big Ben were cast by the same bell foundry, and that both bells are cracked.
LPGd TIL the Tarzan Yell is trademarked (officially known as a Sensory Mark). “The mark is a yell consisting of a series of approximately ten sounds…” It takes over 200 words to technically describe how Tarzan yells.