"Repeat after us: ... The. Sun. Is. Not. Yellow. !!!!!! ..."

posted by ant 7 months 1 week ago • 56 views

"Not every yellow bloom ― or fluffy white globe ― taking over your backyard is a dandelion. Some of them are close relatives called catsears. But both of them have a little secret. To tell them apart... continue reading

posted by ant 4 years 6 months ago • 82 views • 4:50

In which Half as Interesting explains the Machine Identification Code covertly printed in yellow dots by virtually all colour printers.

posted by Aard Vark (oritteropo) 5 years 8 months 2 weeks ago • 1,648 views • 5:45

YouTube description: The Galton Board is a 7.5” by 4.5” desktop probability machine. This device brings to life the statistical concept of normal distribution. As you rotate the Galton Board... continue reading

posted by Aard Vark (oritteropo) 6 years 10 months 1 week ago • 810 views • 3:23

I built a natural draft furnace to test ideas about how hot a furnace could get without the use of bellows. Natural draft is the flow of air through a furnace due to rising hot air. The hot gasses in the... continue reading

posted by Mordhaus 7 years 4 months 2 weeks ago • 454 views • 5:46

"... The pigments in our food all get destroyed on their way through our digestive system...so where do the colors of our poop and pee come from? ..." This old ant poops and pees, of many colo(u)rs... continue reading

posted by ant 7 years 7 months 1 week ago • 28 views • 2:51

YouTube description: Why so many languages invented words for colors in the same order. Subscribe to our channel! http://goo.gl/0bsAjO In 1969, two Berkeley researchers, Paul Kay and Brent Berlin,... continue reading

posted by Aard Vark (oritteropo) 7 years 10 months ago • 634 views • 6:45

Published on Nov 6, 2016 Urine is mainly water (at least 95 percent), but the rest is a surprisingly complicated brew of components that include urea, chloride, sodium, potassium, creatinine and other... continue reading

posted by bobknight33 8 years 2 months 3 weeks ago • 66 views

The materials collection, at the Harvard Art Museums in Cambridge, MA, houses thousands of pigments, including some of the world’s rarest. Dragon's blood, mummy, Indian yellow: these are but a few flashy... continue reading

posted by blacklotus90 8 years 11 months ago • 642 views • 2:35

An interesting riddle - can you sifters solve it, without resorting to the solution in the video (from 1:25)? iflscience: The following riddle is claimed to have been written by Einstein as a boy. It's... continue reading

posted by Zawash 9 years 6 months ago • 52 views • 5:08