The concept of building your own hydroelectric generator seems simple at face value: use gravity to impart as much force as ...

The Elemind headband promises to help you fall asleep faster. This is what happened when I put it to the test for a nap.

Abstract: Seismic waveform modeling is a powerful tool for determining earth structure models and unraveling earthquake rupture processes, but it is usually computationally expensive. We introduce a ...

Abstract: Direct-drive wave energy converter (DDWEC) is more widely used due to its simple structure and high conversion efficiency. Different kinds of linear machines are used in DDWEC to improve the ...