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Does a carpet made from wool have better acoustic properties than a synthetic carpet?

This PDF document is claiming the following: Wool carpets may have some advantages over nylon carpets in this respect, particularly for low frequency noise, as is demonstrated in Figure 1. ...
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Did Canadian company HyperStealth invent an invisibility cloak?

This seemingly legitimate camouflage design company says it invented an invisibility cloak called Quantum Stealth that works by bending light "without cameras, batteries, lights or mirrors." ...
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Does Heattech clothing generate heat?

Uniqlo sells HEATTECH heat-generating clothing. When HEATTECH absorbs body moisture, tiny droplets generate heat. Thermographs clearly show that HEATTECH maintains more warmth, more evenly over ...
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Is spider silk stronger than steel?

Source: CBS NEWS . "If you look in a spider web, if you just took one single strand of that spider silk, that strand is stronger than steel as well - a lot like Kevlar," said Mr Tucker ...