Video: Here is how subsidence craters are formed: An underground nuclear explosion gets set off and creates a hole underneath the ground, the ground collapses because nothing is supporting it any more and then boom. Giant crater. It is so gnarly to see because the ground looks like its melting into the core of the Earth.
Watch An Underground Nuclear Explosion Melt The Ground Into A Giant Crater
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The advent of the personal computer wasn’t just about making these powerful machines available to everyone, it was also about making them accessible and usable, even for those lacking a computer science degree. Larry Tesler, who passed away on Monday, might not be a household name like Steve Jobs or Bill Gates, but his contributions to making computers and mobile devices easier to use are the highlight of a long career influencing modern computing.
Can you find the big cat sneaking up on its prey in this amazing photo by wildlife photographer Inger Vandyke? (Note: This is not a troll. The leopard is really there.)