YouTube: This video is about why it's harder to successfully land spacecraft and landers and rovers on Mars than on Earth, or Venus, or the Moon, or Titan, or asteroids. It all comes down to atmospheric... continue reading

posted by PlayhousePals 7 years 9 months 1 week ago • 582 views • 2:02

YouTube description: This unreal experiment allows you to see air movement around any object. Download the music in this video: Song #1: Over Rain iTunes: https://itunes.apple.com/us/album/over-rain-single/id1033... continue reading

posted by Aard Vark (oritteropo) 8 years 7 months 3 weeks ago • 307 views • 3:47

Originally called hydrogen inflammable air when he discovered it until he breathed it in and blew it out over a candle... tested electricity by measuring how much agony it caused him... and did experiments... continue reading

posted by RFlagg 1 decade 3 years 9 months 3 weeks ago • 920 views • 6:27