Telecom

Tonga back online as undersea cable repaired

Internet connection was restored in Tonga on Tuesday, five weeks after a massive volcanic eruption shredded the undersea cable that connects the Pacific nation with the rest of the world.

Telecom

Musk donates satellite gear to reconnect Tonga

Tonga says space entrepreneur and Tesla founder Elon Musk has donated 50 satellite terminals to help the volcano-damaged Pacific island reconnect with the world.

Energy & Green Tech

In Iceland, CO2 sucked from the air is turned to rock

At the foot of an Icelandic volcano, a newly-opened plant is sucking carbon dioxide from the air and turning it to rock, locking away the main culprit behind global warming.

Types of volcanic eruptions

Several types of volcanic eruptions have been distinguished by volcanologists. These are often named after famous volcanoes where that type of behavior has been observed. Some volcanoes may exhibit only one characteristic type of eruption during a period of activity, while others may display an entire sequence of types.

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