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.
What is Airplane Mode? Airplane Mode is a mobile setting that switches off your phone or tabletâs connection to cellular and Wi-Fi networks, as well as Bluetooth. Itâs so-called because those radios may emit electromagnetic interference that can affect the operation of sensitive airplane instruments, or, according to the FAA, disrupt service in terrestrial cell towers, clogging networks with signals from the air.