› added 12 years ago

196

TIL that since 2010, ps3 uses an audio watermark algorithm to detect illegal movie copies. It can survive compression, re-encoding and microphone recording yet it is imperceptible to human hearing.

Read more wikipedia.org

via reddit.com

KLJQ TIL that NASA has a plan if astronauts “Lose It”, and that plan is to tie them up with duct tape.
JNX8 TIL that Mars has only 10% the mass of the Earth.
R57j9 TIL about the rusty-spotted cat, a very rare wild cat native to India and Sri Lanka. Referred to as the hummingbird of the cat family, they weigh in at 2-4 pounds and are thought to be the smallest wild cat species.
0wJDv TIL a woman was buried alive. Her husband heard her screaming from inside the coffin and tried to break her free. When they finally got her out, she was dead again but her fingers were bruised and the glass inside the coffin smashed.
WkWeo TIL that Hummingbirds cannot walk or hop. They have evolved smaller feet to be lighter for more efficient flying.