605
The world's smallest crossbow shoots three types of arrows
This crossbow made from coin silver, and gold 916 samples (with the exception of the arc of the bow and a bowstring, which are made of steel). It's completely handmade with the author's original design. Despite the fact that this is an expensive piece of jewelry, the crossbow is fully functioning as a miniature weapons and is able to shoot at targets.
This miniature crossbow works in exactly the same way as a normal hunting crossbow, but four times more powerful than conventional crossbow in power to weight ratio of the device.
Crossbow shooting three kinds of home-made arrows:
1. Conventional steel-tipped arrows
2. The flat-tipped arrows
3. Firebolt
Source: www.smartvideos.ru
via factroom.ru
Frenchman Michel Lotito ate glass beaker, and robot aircraft
There is a fish with a transparent "face"