The debate about cryptocurrency and energy consumption – TechCrunch (

Energy consumption has become the latest flashpoint for cryptocurrency. Critics decry it as an energy hog while proponents hail it for being less intensive than the current global economy.  One such critic, DigiEconomist founder Alex de Vries, said he’s “never seen anything that is as inefficient a…

Elusive Ethics: Robotic Warfare and Autonomous Weapons (

The European Space Agency is developing an autonomous robot to explore the Moon’s caves (