Best foldable phone in 2021: Samsung leads the pack | ZDNet Naomi Gleit Jun 5, 2021 Decades ago when mobile phones started appearing in the hands of average consumers, a dominant form factor was the flip phone. It was…
The thickness of lead’s neutron ‘skin’ has been precisely measured Kevin Colleran Jun 5, 2021 Some atomic nuclei are thin-skinned — they’re surrounded by a slim shell of neutrons. Physicists now know how thick that neutron skin is for one…