From Twitter: Neil deGrasse Tyson @neiltyson Astrophysicist In the tropics, the Sun sets vertical to the horizon; Twilight doesn’t last very long; and the Full Moon rises shortly after sunset,... continue reading

posted by BSR 4 months 3 weeks ago • 22 views • 30 secs

(H/T @eric3579)

posted by Aard Vark (oritteropo) 1 year 11 months ago • 439 views • 8:41

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 2 years 1 month 1 week ago • 443 views • 5:46

As urban populations continue to rise, innovators are looking beyond traditional farming as a way to feed everyone while having less impact on our land and water resources. Vertical farming is one solution... continue reading

posted by Mordhaus 3 years 5 months ago • 824 views • 3:38

Tom Scott: "Continuing the occasional Weird European Infrastructure Tour: an Italian lift that switches direction from horizontal to vertical. And honestly, until someone pointed it out to me, I could... continue reading

posted by blacklotus90 3 years 6 months 3 weeks ago • 701 views • 2:29

"Insight into how geckos can walk on vertical surfaces, awesome technology and all thanks to the evolution. This is excerpt from BBC Richard Hammond's Invisible Worlds episode 3 - 'Off the Scale'." ... continue reading

posted by ant 3 years 7 months 2 weeks ago • 22 views • 3:47

YouTube description: How to get into a dingy if you over 50"It works" (via digg)

posted by Aard Vark (oritteropo) 3 years 7 months 3 weeks ago • 1,725 views • 51 secs

In this video you are going to learn about some amazing dolphin facts that are mentioned step by step. Please subscribe to our channel for more updates. Subscribe here http://bit.ly/1HVj6gh Visit... continue reading

posted by abubakker21 4 years 4 months 1 week ago • 21 views • 3:33

Have you ever wondered why mirrors appear to flip things horizontally but not vertically? Me either.

posted by PlayhousePals 4 years 10 months ago • 703 views • 3:48