A football’s dimensions, pressure and texture affect its aerodynamics, i.e. the forces exerted by the air on the ball as it flies.
Academic rigour, journalistic flair
Articles on gyroscope
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You can log in to your smartphone by talking to it. Current security systems don’t protect enough against imitators. The best way to ensure voice authentication is secure is to start with the sound.
First tip: learn to wobble.
