About two-thirds of the aluminum ever made is still in existence. Find out why recycling aluminum makes it virtually indestructible. Watch more at dsc.discovery.com
A small amount of mercury amalgamates itself into an aluminum I-beam and destroys it from within. Gallium scratched into the surface allows the mercury to...
If you've ever wanted to grow crystals, but were afraid they wouldn't work, then this is the perfect crystal-growing project for you. Alum crystals are...
Dodano: 09.03.2008 o 17:33
Ocena: 4.8833137
Wyswietlen: 2631827
Czas: 04:28
Zasugerował: firstkissgoodbye
