FRESH

Hacker News
Microscale Thermite Reaction
30 points by krunck
- Does the second rusty ball really need to be a rusty ball since it is covered in foil?
by mrnotcrazy
0 subcomment
- Does the ball need to be iron? Can we just take a 3d printed sphere, paint it with glue ,roll it around in a bucket of rust and then smash?
- Please try this at home. You all have rusty iron ball laying around, right?