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.
190 Contributions. Yes, of course. You can use laptops on any airline. But only during the flight, after the plane has reached cruising altitude, and the flight attendants have announced that itâ¦'s OK to begin using approved electronic devices (laptops, video games, MP3 players, etc.). You cannot use any electronic device during take-off or landing.