Seven killed as bus falls into river
Shakib, Soumya, Mustafiz return
Seven killed as bus falls into river
Shakib, Soumya, Mustafiz return
International Desk : Three scientists have been awarded the 2023 Nobel prize in chemistry for their work on quantum dots, a fundamental discovery in nanotechnology.
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Quantum dots are tiny particles, just a few atoms in diameter, whose electrons have constrained movement. This effects how they absorb and release visible light, allowing for very bright colors. They are used in many electronics, like LED displays.
According to the Royal Swedish Academy of Sciences, “These tiny particles have unique properties and now spread their light from television screens and LED lamps. They catalyze chemical reactions and their clear light can illuminate tumor tissue for a surgeon.”
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The Nobel Prizes carry a cash award of 11 million Swedish kronor ($1 million). The money comes from a bequest left by the prize’s creator, Swedish inventor Alfred Nobel, who died in 1896.
Last year, Americans Carolyn R. Bertozzi and K. Barry Sharpless, and Danish scientist Morten Meldal were jointly awarded the Nobel Prize in chemistry for developing a way of “ snapping molecules together” that can be used to explore cells, map DNA and design drugs that can target diseases such as cancer more precisely.
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The Nobel Foundation raised the prize money by 10% this year to 11 million kronor (about $1 million). In addition to the money, winners receive an 18-carat gold medal and diploma when they collect their Nobel Prizes at the award ceremonies in December.
Sun News/MR
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