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The process of making a Japanese sword is fascinating for many reasons. The swords are legendary for their strength and sharpness. The process of making the traditional steel for the sword is interesting both from the metallurgical standpoint and the historical standpoint. And then there is the art/beauty of the swords.
This video shows how a smith fashions a sword from a chunk of metal using only heat and a hammer…
Invention – Beer glasses that can’t be used as weapons
by Marshall Brain | February 5, 2010
We know that people (especially in Britain for some reason) frequently use beer glasses as weapons. How to solve the problem? Redesign the glasses: Last orders for pint glass as we know it? Thousands of people are hurt each year in violent attacks where broken beer glasses are used as weapons. Could two new pint [...]
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