Aquila Children's Magazine magnificentMegaMag-92pages | Page 30

It’s always the little things, isn’t it? You’ve got your team in place, you’re ready to go and someone messes it all up at the last minute. Well, it’s not the end of the world if we’re talking about a school presentation, but when those microscopic miscalculations lead to an actual disaster, that’s another thing entirely. Throughout history we have seen, time and time again, how a slip of the finger, a faulty formula or just plain bad maths can lead to tragic consequences. Here are six of the very worst examples: NASA’s Genesis probe: Bridge over troubled water: Anyone got $260 million dollars to spare? That’s how much it cost when the Genesis probe crashed on its way home after a three-year mission to collect solar wind. Why, I hear you ask? Because someone (I’m looking at you Stuart) put a pair of parts in BACKWARDS. To be fair it was probably a complicated build, but backwards, really? It should be pretty straightforward, right? Build a bridge, make it strong and job done. But the engineers of the Tacoma Narrows Bridge in the US state of Washington managed to get it spectacularly wrong and in November 1940, just four months after it was opened, the whole bridge plunged dramatically into the water below. Scientists were able to retrieve some of the precious samples after the probe crashed down in the US state of Utah. Further study revealed that the wonky parts meant the probe failed to release the parachute that should have helped to slow it down. Christopher Columbus and his awful maths: So Christopher Columbus was many things, an explorer, an excellent sailor and finder of new worlds (erm, they really weren’t ‘new’ now, were they? Ed) , what he wasn’t so hot on, was adding up. The thing with Columbus is that he wanted the maths to fit, so he just went ahead and moved Japan on all of his maps. Nice one, Chris! When he embarked on his voyage to find Asia, he managed to end up in the Bahamas instead. Not downhearted at landing on completely the wrong continent, he promptly captured lots of the indigenous people there and sailed them back to Spain. Why was it a disaster? His crew nearly killed him when supplies started running low, but that wasn’t it. The real disaster, of course, was saved for the indigenous people. Subjected to nasty diseases brought from Europe, they were brought close to annihilation as a result. What engineers had failed to take into account was a phenomenon called the aeroelastic flutter, a small but vital equation that takes into account how much a bridge is likely to move and twist in the wind. With gusts of up to 40 mph (64 kph) battering the side of the bridge, the cables just couldn’t handle the vibration caused by the movement, and they snapped. A disaster for the good people of Tacoma and the Kitsap Peninsula, but worse for a small dog named Tubby, the only victim of the bridge collapse, who was killed as the car he was in slid into the water below. (Poor Tubby! Ed)