carbon under really high pressure then can bcome diamond.. but is still hard to produce a big diamond with that process.. is only manage to produce diamond for factory usage..
7 U4 o6 a& f, q( k2 N! u- U# x9 ^tvb now,tvbnow,bttvbimagine if this diamond drop on earth..how big dmg will it cause  |
發表於 2008-1-20 02:15 AM
| 