YouTube description: You can make a movable hole in soap film with a loop of thread. It's surprising when you first see and it's fun to think about why it behaves the way it does. It's also a useful... continue reading

posted by Aard Vark (oritteropo) 7 months 1 week ago • 504 views • 6:03

The traditional practice of soap making in the Nablus soap factory (zero automation).

"Urushiol oil in poison sumac, poison oak, and poison ivy may produce a severe skin rash. Timely urushiol removal can prevent poison ivy skin reaction. The key is to understand how poison ivy works... ... continue reading

posted by ant 3 years 2 months 4 weeks ago • 1,232 views • 5:14