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A prize-winning light bulb that lasts for 20 years has gone on sale in the US on Sunday, which is also known as Earth Day. Made by Dutch electronics giant Philips, the bulb swaps filaments for light-emitting diodes to provide illumination. Using LEDs endows the light with a long life and a hefty price...
A study into how the Pacific Ocean leaks into the Indian Ocean has revealed details which researchers say could improve climate predictions. This so-called Tasman leakage in the south of Australia is the second-largest link between the Pacific and Indian oceans after the Indonesian through-flow to the country’s north, according to an international team...
Planetary scientists claim they may have discovered how “chondrules”, tiny particles found in meteorites, formed at the beginning of the solar system, thus solving the decades-old cosmic conundrum. Chondrules are spherical particles of molten material found in meteorites but their origins have long been a mystery. No longer than about one millimetre in diameter,...
The surface of Mars comprised a number of lava flows and other signs of effusive volcanism. Although models suggest that explosive volcanism should also have produced extensive deposits, direct evidence for large-scale explosive volcanism on Mars has been scarce. A new investigation by Briony Horgan and James F. Bell III of the mineralogy of...
Scientists are trying to build human brain using the world’s most powerful computer. It is intended to combine all the information so far uncovered about its mysterious workings – and replicate them on a screen, right down to the level of individual cells and molecules. If it works it could be revolutionary for understanding...
Australian airliner Qantas today flew the country’s first commercial biofuel flight between Sydney and Adelaide using a mix of conventional fuel and refined cooking oil. John Valastro of Qantas said the flight this morning was a commercial first in Australia, and would have produced far less carbon emissions than if conventional jet fuel were...
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