YouTube description: Something about the Apollo missions always confused me, sure, the step off of the lunar lander’s 91 cm footpad was a small step, but the step just before that was actually enormous! ... continue reading

posted by Aard Vark (oritteropo) 4 years 10 months 2 weeks ago • 483 views • 14:48

YouTube Description: What has the highest melting point known to us? Hank Green explains in this episode of SciShow. This episode is brought to you by Audible. Go to Audible.com/SciShow for a free 30-day trail. ... continue reading

posted by Aard Vark (oritteropo) 8 years 4 months ago • 524 views • 5:26