Measuring the amount of lead (Pb) consumed when drinking from lead crystal glassware. Is it safe?
32:32
Measuring human digestive efficiency vs. a flame
29:29
Etching silicon wafers to make colorful Rugate optical filters (porous silicon)
30:15
Antique 4x5 camera creates 20 micron photolithography masks: Super tiny tax form
20:32
Why Is Desalination So Difficult?
31:22
A Equação de Um Trilhão de Dólares
22:48
Demo and teardown of an X-ray fluorescence gun (measures chemical composition)
21:41
Photosynthesis photography: Making images with living plant leaves
34:00