The Commodore 64 has, by modern standards, the interesting power requirement of needing both 5 VDC and 9 VAC. Traditionally, one would use an iron-core transformer to step-down the wall current ...

Engineering design makes all kinds of tradeoffs. Power trades off with torque, strength trades off with weight, and cost can ...

Thanks to new technologies like artificial intelligence, scientists are increasingly freed from the constraints of the laboratory. It raises questions about how much humans should outsource to robots.