Toward quantum technologies

Quantum mechanics is about to fundamentally change the way we can transmit and sense information. The idea is that information—represented by physical quantities such as the spin or the polarisation of an individual photon—can ...

Freight train industry to miss safety deadline

The U.S. freight railroad industry says only one-fifth of its track will be equipped with mandatory safety technology to prevent most collisions and derailments by the deadline set by Congress.

US coalition calls for expansion of Wi-Fi airwaves

A newly formed coalition of US technology firms and advocacy groups called Thursday for the expansion of Wi-Fi, saying airwaves are getting congested for a key pathway to the Internet.

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