The creative new approach could lead to more energy-efficient machine-learning hardware. On a table in his lab at the University of Pennsylvania, physicist Sam Dillavou has connected an array of ...

Discover how to build a simple wireless power transfer system at home using readily available components like enameled copper ...

Learn how to make a simple lemon battery and use it as an emergency phone charger in this hands-on science experiment. Watch ...

One of the coolest things any sound system can have is some kind of musical visualization. Thumping level meters that pump with the volume are a great example, and were particularly popular in the ...