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How Sailboats Travel Against the Wind
This video explains how sails, hulls, and keels work together to turn wind into lift, letting boats tack and zigzag upwind ...
Driver61 on MSN
How F1 wings are made – the secrets of extreme speed
How do F1 cars stick to the track at over 200 mph? The answer lies in the wings. These aerodynamic marvels are designed and ...
Ensure all lifejackets are self-inflating and at least 170N with crotch strap, three-point safety tethers, spray hood, a ...
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