› added 1 year ago

106

TIL that a laser can get trapped in water

Read more thelabby.com

via reddit.com

nWr69 TIL Stanford engineers made a folding origami microscope that costs less than $1 to make. 50,000 microscopes were shipped to 130 countries in 2014 to see what people will do with it
OGNR TIL Senior PETA VP, Mary Beth Sweetland, takes insulin for diabetes (a product of animal testing) yet, like PETA, vigorously opposes all animal testing.
jNylj TIL the carpet shark, native to the northern Australian coast, is a long, slender shark that tends to be creamy or brown with variously-sized dark spots. They forage for food in tidal pools and risk being stranded, but they can survive for an hour without oxygen or simply walk back to the ocean.
WkbQX TIL the wooden playground I grew up playing on was designed by Bob Leathers who designed over 2000 playgrounds around the US. His unique style was inspired by interviewing kids in the neighborhood who would request to have castles, spaceships and tree houses.
69oeQ TIL Jonas Salk, Who Invented the Polio Vaccine, Could Have Been the Richest Person in the World If He Had Patented It, but He Chose to Give It Away for Free