A glass prism is a transparent object having two triangular ends and three rectangular sides. The refraction of light in glass prism is different from a glass slab. This is because in glass prism, the ...

Scientists have designed an ultra-miniaturized device that could directly image single cells without the need for a microscope or make chemical fingerprint analysis possible from a smartphone.

Newton’s experiment remains almost insultingly simple. Sunlight, a darkened room, a glass prism. The conclusion was unavoidable. Colour belonged to light itself. The prism merely made it visible.

A GLASS prism, said to have been the property of Isaac Newton, is on exhibition in the British Museum, Medieval Collections Room, Bay XVI. It was presented in 1927 by the Rev. H. T. Inman of Grantham, ...