Graphene Printing Technique "Silk Screens" Flexible Electronics

Graphene-based remote epitaxy enables inexpensive copying of gallium arsenide and gallium nitride chipsFuture high-efficiency solar cells molded to the surface of a car; ultra-small photonics chips; and low-power, long-lasting wearable devices will all require something no one’s yet been able to achieve, namely chips made from high-efficiency materials that are flexible, thin and…

Slipshod Cybersecurity for U.S. Defense Dept. Weapons Systems

After decades of DoD recalcitrance, the Government Accountability Office has given up making recommendations in favor of public shamingLast week, the U.S. Government Accountability Office (GAO) released yet another report on the state of the U.S. Department of Defense’s cybersecurity. The GAO’s conclusions can be summed up in two words: unsurprisingly abysmal. The…