Knowledge Bombs

The bullet proof vest was invented by a Marine and Pizza delivery guy. While before that Casimir Zegan made a bullet proof vest made of silk.

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The bullet proof vest was invented by a Marine and Pizza delivery guy. While before that Casimir Zegan made a bullet proof vest made of silk.

There are 318,979,564,000 possible ways to play first four moves, per side, in chess.
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  1. After a pizza delivery guy was shot he and a US Marine invented a bullet proof vest using Kevlar. To tests these vests volunteers would agree to be shot and other sources say that the pizza delivery guy was also shot during testing. However the first ever bullet proof vest was invented by a polish guy named Casimir Zegan who made it out of silk and was also tested by shooting at someone wearing the vest. Casimir Zegan invented the vest in 1869 according to sources. I can’t find the set date for the pizza delivery guy but it does say that the Marine created a company in the 1970s based on bullet proof vests.

    The photo is related to the bullet proof vest made by Casimir Zegan