Testing eBay Molecular Sieves
31:47
Dissolving $1000 of Platinum to Make $6000 of Chloroplatinic Acid for Professional Use
7:25
Filling the oxygen concentrators with new molecular sieves - Project H #17
18:51
I Grew Real Penicillin from MOLD
11:40
Make Sodium Metal with Menthol (and a bunch of other stuff...)
31:33
O Mais Antigo Problema Não Resolvido da Matemática
17:26
Solid-State Dehumidifier: The Ultimate Filament Dry Box
27:01
Ainda não consigo acreditar que Sal Epsom é basicamente água
20:40