Dark energy telescope reveals early look at almost 2 million cosmic objects

In 1930, Bernard Lyot invented the coronagraph that allowed total solar eclipses to be recreated at will. It is essentially a telescope with a small disk in the focal plane to exactly cover the disk of the sun like the moon would

Energy harvesting via vibrations: Researchers develop highly durable and efficient device

Scientists conduct first test of a wireless cosmic ray navigation system. System could be used to guide underwater or underground robots.