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Could Twitter stop the next terrorist attack?

Social media giants including Twitter, Yahoo, Facebook and Google are pushing back against Senate legislation that would require them to alert federal authorities of any terrorist activity, according to industry and government ...

dateJul 24, 2015 in Internet
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Ventilation through breathing windows

Centralised ventilation systems that exchange heat between the air inside and outside a building often come with a lot of silver-coloured pipes and shafts. By contrast, compact and decentralised ventilation systems, which ...

dateJul 21, 2015 in Energy & Green Tech
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