› added 3 years ago

153

TIL that the 9/11 Memorial's brass panels - on which victims' names are inscribed - have their own heating and cooling systems so that they are never too hot or cold to touch

Read more copper.org

via reddit.com

XE1WQ TIL that SETI scientists believed that the chances for finding intelligent extraterrestrial life were far greater than initially expected, since Earth developed two intelligent species - humans, and dolphins.
wL9JJ TIL that over his 78 year career (from age 13 to 91) Pablo Picasso produced about 147,800 pieces of art, consisting of 13,500 paintings, 100,000 prints and engravings, 300 sculptures and ceramics and 34,000 illustrations.
kJvK1 TIL the earliest description of the heliocentric model dates back to Ancient Greece. Aristarchus of Samos (c.310–c.230 BC) described the Earth spinning on its axis once per day and orbiting a fixed Sun. He also thought that stars were other suns much further away.
v1J4B TIL Outlaw Country Superstar Waylon Jennings earned $25,000 during contract negotiations when he quietly walked out of the room to pee because the record company thought he had walked out in frustration.
7yRb TIL that China blocked search engine results for “tomorrow”, “yesterday” and “today” during the anniversary of Tiananmen Square