Electrons can flow through graphene with remarkable ease, making graphene an ideal material for transistors.

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Cement forms an extremely strong, effectively impermeable, seal from a thin slurry that can be pumped pretty easily anywhere, and is the ideal material for this purpose ( Cementing).

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And the strength, lightness, high melting point and ability to resist corrosion of titanium make it an ideal material for building aircraft parts, supercars and medical implants but it can cost 50 times as much as steel.

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They don't see a lot of visiting international rugby teams here so we were ideal photographic material for the fanatical locals.

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The whirl of sound waves allowed the teams to catch, move and orient microscopic particles, all without actually contacting them physically, which makes the solution ideal for handling delicate material.

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