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You or I might ride round on bikes with frames of steel, aluminium or even titanium, but for the elite racing cyclist there's only one material of choice: carbon-fibre composite.
Weight for weight, carbon fibre reinforced epoxy resin is five times stiffer than any metal, yet much lighter.
Plastic knives, carbon-fiber knives, ceramic knives and chipped obsidian knives - which, when made correctly, have a sharper edge than surgical steel - have very faint magnetometer signatures.
The car he designed was made from carbon fibre and was so strong it could drive away from its front-impact crash test because the damage was so light.
In contrast, material such as carbon fiber , or even fiberglass, can be strong, yet very thin, on the order of a few millimeters.
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