› added 10 years ago

62

TIL that magpie attacks in Australia have led cyclists to put spikes on their helmets.

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a8v7M TIL that an SLR used a prism that utilizes the "true reflection" quality that two mirrors set at a 90-degree angle viewed from 45 degrees demonstrates in order to provide a true image, despite being reflected 3 times.
6vk7 TIL Problem solving skills are good to a point, but those who spend a great deal of time problem solving are four times more likely to develop clinical depression
YoEB TIL Disney decided against making Giselle from Enchanted a Disney Princess because they would have to pay for lifelong rights to Amy Adams’ image.
pYNl4 TIL that Subutai, one of Genghis Khan's "Four Dogs", was the main general that spear-headed the Mongol invasions of China, Russia, and Europe, and his battle innovations inspired the likes of WW2 Field Marshal Erwin Rommel and General George Patton.
1N8d TIL the universe is bigger than it is old. The universe (93 billion light-years in diameter) is much larger than the distance light could traveled during 13.8 billion years since the big bang.