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Comment on Invisible Bike Helmet Inflates Before Impactparent

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You can easily have 20g impact when you speed over road bump.

The accelerometers in your car are bolted to your 4,000lb frame, riding on dampened shocks and rubber tires - you will never experience acceleration anywhere close to what you would in a frame-on collision.

They don't have a shipping product yet.

You will easily experience that, just that energies involved are minuscule compared to collision. The mass of your car frame is irrelevant, shockwaves still propagate through solid bodies. When someone slaps your face hard, that can easily be 100s of Gs without much ill effect.

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