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fromwww.scientificamerican.com
1 week ago

This fossilized vomit is older than the dinosaurs

Fossils are remarkable for their ability to viscerally connect us with long-lost life. The bulk of a Tyrannosaurus rex skull, the biting point of a shark tooth, the startling familiarity of a hominin footprintand then there's the charm inherent to any sample of regurgitalite, the paleontological term for fossilized vomit. Okay, charm might be a stretch, but to the right scientist, the rare finds are little treasures, says Arnaud Rebillard, a Ph.D. candidate in paleontology at the Natural History Museum of Berlin.
Science
Science
fromwww.scientificamerican.com
4 weeks ago

How new CT scanners ended Heathrow 100ml liquids rule

Advanced CT scanners at Heathrow allow keeping electronics in bags and carrying liquids up to two liters, replacing the longstanding 100-ml carry-on limit.
Gadgets
fromThe Verge
5 months ago

X-ray scans reveal the hidden risks of cheap batteries

Nearly 8 percent of low-cost or counterfeit 18650 lithium-ion cells show dangerous manufacturing defects that could cause fires or explosions.
Science
fromNature
5 months ago

I deeply scan timber to reduce wasting this precious resource

CT scanning reveals internal wood structure and mechanical properties to identify high-quality regions and maximize timber value from each tree.
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