I tested and reviewed Positive Grid's Spark EDGE, an all-in-one portable PA and guitar amp that's ideal for busking.

V variation of his original “Flip ON Flop OFF” circuit, this time without switching Vss of the incoming supply ...

Wireless power transfer (WPT) is an emerging technology that enables efficient and convenient transmission of electrical energy wirelessly, and it has gained significant attention due to its potential ...

Conventional control strategies for wave energy converters (WECs) maximise power capture of the WEC by amplifying its responses, but this exacerbates hardware constraint violations not generally taken ...

With the help of the best tools, it's never been easier (or more fun!) to be a DIYer. Here are 45 of our top picks, tested by editors. Stocking a toolbox isn’t something that happens in a day. When it ...