13/11/2018

Doubly-excited electrons reach new energy states

Positrons are short-lived subatomic particle with the same mass as electrons and a positive charge. They are used in medicine, e.g. in positron emission tomography (PET), a diagnostic imaging method for metabolic disorders. ...

Driverless cars will make you sick – but there's a fix

Driverless cars will usher in a transport utopia, at least according to many of their proponents. Concept art for these futuristic vehicles often show passengers sat facing each other, reading, working or enjoying some other ...

Why space debris cleanup might be a national security threat

As an international relations scholar who studies space law and policy, I have come to realize what most people do not fully appreciate: Dealing with space debris is as much a national security issue as it is a technical ...

The world's plastic problem is bigger than the ocean

As you read this, a strange object that looks like a 2,000-foot floating pool noodle is drifting slowly through the central north Pacific Ocean. This object is designed to solve an enormous environmental problem. But in so ...

Greek authorities say lost ancient city of Tenea located

Greece's culture ministry says archaeologists have located the first tangible remains of a lost ancient city that, according to tradition, was first settled by Trojan war captives after the Greek sack of Troy.

Delhi 'lungs' turn sickly brown in days

A pair of artificial lungs put up in New Delhi to demonstrate the lethal effects of smog have turned a sickly dark brown within 10 days of their installation, underscoring the city's pollution crisis.

IAEA urges quick plan on Fukushima radioactive water cleanup

Experts from the International Atomic Energy Agency urged the operator of Japan's tsunami-wrecked Fukushima nuclear plant on Tuesday to urgently decide on a plan to dispose of massive amounts of treated but still radioactive ...

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