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What is a sinkhole? A geotechnical engineer explains

Sinkholes are back in the news after a 13-year-old boy fell down a two meter deep hole in a waterlogged football field in Sydney over the weekend. The boy reportedly sank further into the hole every time he tried to push ...

A robot hopper to explore the moon's dangerous terrain

Intuitive Machines recently had a major breakthrough, successfully becoming the first non-governmental entity to land on the moon in February. At least the landing was partially successful—the company's Odysseus lander ...

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