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Scientists create $100 smartphone-powered 3D printer

A team of scientists in Taiwan has created a $100 smartphone-powered 3D printer that uses visible light emitted from a phone to cure the resin instead of the traditional method of using UV light or lasers, a media report said.

'Healthier' sunscreen that does not penetrate skin developed

Researchers have used nanoparticles to develop a sunscreen that does not penetrate the skin, eliminating serious health concerns associated with commercial sunblocks.