History. 1  A soldier carries an early example (1945) of mobile synchronous radio communication. 2  A basic chat box allows quick communication, but with too many people can be frustrating. 3  All those red flags are messages I've ignored, a pitfall of asynchronous communication.
Earth's Largest Volcano-Mauna Loa,Hawaii. The largest volcano in the world is Mauna Loa on the island of Hawaii. There have been references to Yellowstone as the largest volcanic system in North America, but most, if not all, scientific organizations recognize Mauna Loa as the largest single volcano.
The world's largest volcano spanning the size of the entire British Isles has been discovered on the floor of the Pacific Ocean. The Mauna Loa is the world's biggest active volcano but only is less than two per cent of the size of the Tamu Massif. Photo: ED DARACK/ALAMY.