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.
One popular phone charging tip circulating the internet is that putting your mobile phone on airplane mode will decrease the time it takes to charge its battery. Because airplane mode turns off all radio frequencies on your device, the battery should charge faster in this disengaged state.ne popular phone charging tip circulating the internet is that putting your mobile phone on airplane mode will decrease the time it takes to charge its battery. Because airplane mode turns off all radio frequencies on your device, the battery should charge faster in this disengaged state.