Tagged Questions
2
votes
0answers
319 views
Does HEATTECH heat-generating clothing work?
Uniqlo sells HEATTECH heat-generating clothing.
Is this just a marketing gimmick or does this fabric generate heat as advertise?
26
votes
1answer
5k views
Are Katanas made of steel folded 1000 times?
A Katana needs to be made of steel folded 1000 times, according to eHow:
Pound the tamahagane into two separate blades. These need to be heated, pounded by hand, and folded 1,000 times each to ...
