
Stuart Keenan {insert buffalo here}🇺🇦 @thestuartkeenan
Whenever someone says "we can land on the moon why can't we ...." remind them that we haven't figured out how SAND works yet. — PolitiTweet.org
Dr. Phil Metzger @DrPhiltill
1/n. We were discussing this comic by @xkcd while examining simulated lunar regolith, today. It came from this grea… https://t.co/CoY2yrjt8s