How 3D-Printed Pistons Let F1 Engines Bend the Rules on Compression

A loophole in Formula 1’s new technical regulations offers a way around the 16:1 compression ratio cap, introducing ...
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Therm-a-Rest Parsec -18°C sleeping bag review: What’s not to like?

Looking for a new winter sleeping bag? The Therm-a-Rest Parsec -18°C offers you a lot of what you're probably looking for.