sand

Pluto

Scientists Discover Frozen Methane Dunes on Pluto

Something weird is at work on the cold, dark plains of Pluto, where hundreds of regularly spaced ridges look a bit like an alien thumbprint pressed into extraterrestrial ice. Today, though, researchers report in the journal Science that the strange landscape is actually a dune field crafted from methane "sand."
BeachBot Turtle Artist

Autonomous BeachBot Leaves its Mark, and Masterpieces, In the Sand

Leave it to Disney to create something both cute and kitschy that everyone wants to have—but not necessarily something that anyone would ever need. Their newest venture named “BeachBot” is perhaps the cutest turtle robot you’ve ever seen, and he’s likely the most artistic too.
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