How does a nuclear meltdown work? (w/ Video)

(PhysOrg.com) -- When working properly, nuclear reactors produce large amounts of heat via nuclear fission reactions. The heat converts the surrounding water into steam, which turns turbines and generates electricity. But ...

Global networks must be redesigned, professor says

The increasing interdependencies between the world's technological, socio-economic, and environmental systems have the potential to create global catastrophic risks. We may have to redesign global networks, concludes Professor ...

Toshiba shows four-legged robot for nuke disaster

Toshiba Corp. unveiled a robot Wednesday that the company says can withstand high radiation and help in nuclear disasters. But it remains unclear what exactly the new machine will be capable of doing if and when it gets the ...

Online game maker Zynga prices IPO at $10 a share

Zynga is poised to harvest some cold hard cash in its initial public offering. Who knew that selling virtual cows and digital corn on Facebook would create a $7 billion company?

Making sense of Google's seemingly kooky concepts

In its self-proclaimed drive to make the world a better place, Google has immersed itself in far more than Internet search and online ads. But driverless cars and a wind energy farm in the Atlantic Ocean?

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Meltdown

Meltdown is a term generally referring to a nuclear meltdown or the melting of a nuclear-reactor core as a result of a serious nuclear accident.

The term has also been borrowed to describe the following:

This text uses material from Wikipedia, licensed under CC BY-SA