This week in science: Metallic hydrogen, electricity without heating, and more January 27, 2017 by admin Tweet Scientists this week saw the first ever metallic hydrogen, electricity flow without heat conduction, advancements in carbon-free energy, and progress towards the creation of 3D printed human skin. Read more… Neowin Related Posts:Apple's folding iPhone to feature metallic glass…Cities: Skylines 2 has big electricity and water…Scientists create new battery powered by…Scientists summon ultrasonic tech that charges…Apple scales up clean energy projects in Europe to…