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.
Rising to more than 4 km above sea level, Mauna Loa is the largest volcano in the world. There have been many stories about Pele and her home on Mauna Loa. One story says that Pele had a white dog that sheâd send to alert the people when an eruption was underway.