Plasma is a state of matter that emerges when a gas is heated to sufficiently high temperatures, prompting some electrons to become free from atoms. This state of matter has been the focus of many ...

The countdown was perfect. Up from the launch pad of Cape Canaveral at 10:23 one morning last week roared a 90-ft., 52½-ton Thor-Able rocket, lifting cleanly into an overcast sky with steadily ...