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[Photo] Moon presides over repatriation ceremony for independence fighters in Kazakhstannew icon
During a tour of Central Asia, South Korean President Moon Jae-in presided over a repatriation ceremony for Korean independence fighters whose remains were buried in Nur-Sultan, Kazakhstan, on Apr. 22.. 2019-04-22 17:22:46

Focus: Video—Tunable Origami
DOI: 10.1103/Physics.12.44, Author(s): David EhrensteinA folding pattern produces a metamaterial with properties that can be tuned over a wide range.[Physics 12, 44] Published Fri Apr 19, 2019 2019-04-19 10:00:00 David Ehrenstein

High performance solid-state sodium-ion battery
Solid-state sodium-ion batteries are far safer than conventional lithium-ion batteries, which pose a risk of fire and explosions, but their performance has been too weak to offset the safety advantages. Researchers have now reported developing an org.... 2019-04-19 16:55:34