The old axiom "you get what you pay for" is often invoked in discussions of product quality. It can also inspire curiosity as to what exactly one does get when the price paid for a product is significantly less than asked by others having comparable basic specifications. It was this spirit of curiosity that led a colleague to purchase a bench-type adjustable power supply, advertising a 0-15V, 0-2A output from a low-cost supplier for all of $17 USD. What exactly does that buy a person? Let's f...

A $17 bench supply: Worth it? (PS-1502DD)

Posted by Yutian Chen, Staff Research Scientist, DeepMind, and Xingyou (Richard) Song, Research Scientist, Google Research, Brain Team On...

Rosenbrock Function