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Tuesday, September 28, 2021

Hubble Telescope Finds 6 Early, 'Dead' Galaxies That Ran Out of Cold Hydrogen

NASA's Hubble Space Telescope has discovered six early galaxies that were "dead" when the universe was about 3 billion years old.

from NDTV Gadgets - Latest https://ift.tt/3iergcV

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Virginia Tech Engineers Craft Durable, Self‑Repairing, and Recyclable PCBs

Scientists have developed a self-healing, recyclable circuit board using vitrimer and liquid metal. The material maintains conductivity afte...