Photosynthesis is one of the major biological procedures which keep us alive.
Black hole is the region of space which has an extremely intense gravitational field- so intense that no radiation or matter can escape from it. Not even the particles of light can escape from inside it.
Just a few years ago, it would have been impossible to contemplate satellites beaming internet services to earth. The futuristic concept is set to become reality as close as 2018. High tech companies such as Elon Musk’s SpaceX, Jeff Beezo’s Amazon, Mark Zuckerberg’s Facebook, OneWeb, Google Inc. and Boeing are racing to launch their satellites into low orbit; satellites which will beam high speed internet to the world.