Rubies on sapphire: Recipe for making crystals in flux

Crystals can be made artificially but a lot of energy is used to melt the ingredients together, and this can make them expensive. This problem can be overcome by using appropriate solvents. Called the flux method, crystals ...

Carbon nanotubes: Bullets in the fight against cancer

Carbon nanotubes, tiny tubes of rolled-up carbon sheets, hold great potential for delivering therapeutic heat, drugs and medical sensors directly to where they are needed to attack cancerous cells.

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