by jpgcs

2009-12-10 22:58
Touch Bionics, an American company specializing in the development of bionic limbs, has unveiled the world's first bionic finger :ProDigits. Depending on the n......
2009-7-19 11:58
In general, the average distance between total solar eclipses in the same place is about 300 years. A total solar eclipse can give anyone a strong shock, which......