List of computer size categories. From Wikipedia, the free encyclopedia. This illustration shows the development of computers, from huge room-sized computers in the 1940s and 1950s (left-most photo) to smaller personal computers over the 1980s to the 2010s.
New US DOT Hazmat Safety Rule to Place Lithium Battery Limits in Carry-on Baggage on Passenger Aircraft Effective January 1, 2008. Passengers will no longer be able to pack loose lithium batteries in checked luggage beginning January 1, 2008 once new federal safety rules take effect.
Electronics. Personal electronics are allowed in either your checked or carry-on luggage. In fact, it might be preferable for you to keep items such as laptops, MP3 players, video cameras and video game systems with you, because checked baggage might be jostled quite a bit as it's loaded onto and off the plane.