Lately, there have been many speculations and rumors surrounding the new iPhone device. And according to the latest rumor, it suggests that Apple might discard the aluminum build for its iPhones.
Torbjörn Åhman on MSN

Forging a heavy-duty pickaxe from steel

A piece of steel becomes a powerful digging tool in this blacksmithing project. Watch the forging process that transforms raw metal into a pickaxe.
A massive knife is forged using bearing balls and the challenging technique known as canister steel. The method involves packing steel pieces into a container that is heated and compressed until the ...