A solar-powered airplane finished crossing the United States on Saturday, landing in New York City after flying over the Statue of Liberty during its historic bid to circle the globe, the project team said. The spindly, single-seat experimental aircraft, dubbed Solar Impulse 2, arrived at New York's John F. Kennedy International Airport at about 4 a.m. local time after it took off about five hours beforehand at Lehigh Valley International Airport in Pennsylvania, the team reported on the airplane's website. Such a pleasure to land in New York! For the 14th time we celebrate sustainability," said the project's co-founder Andre Borschberg on Twitter after flying over the city and the Statue of Liberty during the 14th leg of the trip around the globe. The Swiss team flying the aircraft in a campaign to build support for clean energy technologies hopes eventually to complete its circumnavigation in Abu Dhabi, where the journey began in March 2015. The solar cr...
South Korea's Lee Se-dol is playing Google's AlphaGo programme in the first of a series of games in Seoul. In October 2015, AlphaGo beat the European Go champion, an achievement that was not expected for years. A computer has beaten the world chess champion, but the Chinese game Go is seen as significantly more complex. The first game between Mr Lee and AlphaGo kicked off at 13:00 local time (04:00 GMT) and is expected to last for several hours. It is being live broadcast on Youtube.
The two opponents will play a total of five games over the next five days for a prize of about $1m (£700,000).The five-day battle is being seen as a major test of what scientists and engineers have achieved in the sphere of artificial intelligence. Go is a 3,000-year old Chinese board game and is considered to be a lot more complex than chess where artificial intelligence scored its most famous victory to date when IBM's Deep Blue beat grandmaster Gary Kasparov in 1997. But experts say Go presents an entirely different challenge because of the game's incomputable number of move options which means that the computer must be capable of human-like "intuition" to prevail.
"Playing against a machine is very different from an actual human opponent," Mr Lee told. "Normally, you can sense your opponent's breathing, their energy. And lots of times you make decisions which are dependent on the physical reactions of the person you're playing against. "With a machine, you can't do that.""After it's learned that, it's got to reasonable standards by looking at professional games. It then played itself, different versions of itself millions and millions of times and each time get incrementally slightly better - it learns from its mistakes"
Learning and improving from its own matchplay experience means the super computer is now even stronger than when it beat the European champion late last year.
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