conveyor belt

What really happens at airport security – and what the scanners can actually see

by

In the 1970s, scanners were introduced at airports to combat hijackings – Getty Images The conveyor belt security scanners at airports are always a source of irritation. You slipped through unhindered, and now you’ve reached a sticking point: someone forgot to put their liquids in a plastic bag; someone else takes eight different electrical appliances … Read more

The Atlantic Ocean is heading to a tipping point – once melting glaciers shut off the Gulf Stream, we would see extreme climate change within decades, research shows

by

Super storms, abrupt climate shifts and New York City frozen in ice. For example, the blockbuster Hollywood film “The Day After Tomorrow” depicted an abrupt cessation of the circulation of the Atlantic Ocean and its catastrophic consequences. Although Hollywood’s vision was exaggerated, the 2004 film raised a serious question: If global warming halts the Atlantic … Read more