Archive for July, 2010

Heavy bulletproof helmet

Monday, July 19th, 2010

Russian-developed heavy bulletproof helmet use more titanium alloy material, its history dates back to the late 80s. Soviet special forces in Afghanistan at that time may begin to equip ???-81 titanium alloy helmet, the helmet weight 2.4 kg, from three titanium bulletproof plates, the inner liner are thicker to reduce ...

Bulletproof vests made of spider silk

Sunday, July 18th, 2010

American University researchers have developed the spider silk genes into goats way, through this technology, researchers were able to harvest spider silk from goat's milk in protein, used for various purposes. For example, because the fiber is very strong, flexible and good, so with a variety of medical value, such ...

The effect of bullet-proof helmet

Sunday, July 11th, 2010

We have to know the role of bulletproof helmet only "defense", not "block", all served as soldiers, are in contact with the helmet on the lesson. Bulletproof helmet in 100 m distance, is the initial speed of 450M can not stop bullets per second positive impact, that is, the general middle-powerful ...