Japan may add noise to quiet hybrid cars for safety

Japan's near-silent hybrid cars have been called dangerous by the vision-impaired and some users, prompting a government review on whether to add a noise-making device, according to an official.

Spintronics 'miracle material' put to the test

When German mineralogist Gustav Rose stood on the slopes of Russia's Ural Mountains in 1839 and picked up a piece of a previously undiscovered mineral, he had never heard of transistors or diodes or had any concept of how ...

Researchers confirm that narwhals and belugas can interbreed

A team of University of Copenhagen researchers has compiled the first and only evidence that narwhals and beluga whales can breed successfully. DNA and stable isotope analysis of an anomalous skull from the Natural History ...

Researchers establish theoretical framework for graphene physics

Since the discovery of graphene about a decade ago, scientists have been studying ways to engineer electronic band gaps in the material to produce semiconductors which can create new electronic devices. A team of researchers ...

A novel solar CPV/CSP hybrid system proposed

In concentrating photovoltaic (CPV) systems only a small part of the incident solar energy can be converted into electricity and the majority of the incident energy is dissipated as waste heat. Although the waste heat could ...

Peugeot unveils petrol hybrid using compressed air

French carmaker PSA Peugeot Citroen unveiled Tuesday a petrol hybrid engine that stores energy using compressed air which it hopes will be a game-changing technology to improve energy efficiency.

Ford, researchers to work on autonomous cars

Ford Motor Co. said Wednesday it was teaming up with researchers at two US universities to work on obstacles, technical and otherwise, to automated driving.

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