Supercapacitors Printed by Inkjet

Supercapacitors Printed by Inkjet

How do you power a wearable device? Most of them require electricity, which must be stored so that it is available when needed. But batteries are problematic. They can be bulky, rigid, and filled with messy liquids that can cause trouble if they leak. One promising...
Plasma Drives 3D Space Printer

Plasma Drives 3D Space Printer

You don’t see this in your typical science fiction space Western movie, but the fact is that stuff wears out and breaks. People traveling to Mars aren’t going to be able to carry enough spare parts to fix everything; they’re going to need a way to...