20
Jun
2016

A long way from everything: The search for a Grand Unified Theory

Can the macroscopic realm of gravity ever be merged with the strange microscopic kingdom of quantum ...

The recent confirmation of gravity waves observed by the LIGO project represents a huge breakthrough in physics, verifying Albert Einstein's predictions regarding the effect of mass on space and time and supporting his general theory of relativity published in 1916. But what of his other grand hypothesis? Einstein's unified field theory consumed the last 30 years of his life without resolution, but how much closer have we come to a theory that brings every known force in the universe together into a single, all-encompassing frame of reference?

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Category: Physics

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20
Jun
2016

Best electric mid-drive adds serious muscle and speed to existing bicycles

The Bikee Best is an aftermarket electrification kit for existing bikes

In addition to the hordes of e-bikes out there, the market has plenty of aftermarket kits designed to turn standard bicycles into electric-assist machines: electrified wheels like the Centinel and FlyKly, friction drives like the ConoDrive and Rubbee 2.0, and mid-drives like the Bimoz. With the exception of the rare powerhouse, like the 3,400-watt EGO-kit, these add-ons tend to use modestly powered motors for speeds between 15 and 20 mph (24 and 32 km/h) or so. The new mid-mounted Bikee Best kit packs more power potential and torque than average, aiming for better hill climbing capability and speeds up to 30 mph (48 km/h).

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Category: Bicycles

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20
Jun
2016

Water hazard – even big cars can be swept away in shallow floodwaters

Researchers at the University of NSW say just 15 cm of water can make a car ...

News coverage of floods is inevitably accompanied by footage of stranded motorists who have attempted to drive through floodwaters, despite warnings from emergency services. The recent floods that hit the Australian east coast were no different, but a new study out of the University of New South Wales (UNSW) may give drivers pause before risking their lives in the next downpour. Researchers have found that vehicles – even burly four-wheel drives – can be swept away in even remarkably shallow water.

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Category: Automotive

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