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Abstract: Ultrasonic horns are used in a variety of industrial and medical applications. At JPL, a rock-sampling tool based on an ultrasonic horn was developed to drill, abrade and core rock samples, ...

Discover how to create a simple homemade speaker using everyday items and basic electronics! This step-by-step guide demonstrates how to use plastic cups, a magnet, copper wire, and a balloon to ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. No one wants poop on their cherries. Farmers in northern Michigan ...

Learn how to build a DIY portable speaker using a car speaker, cardboard, and basic electronic components. This step-by-step project covers soldering a transistor amplifier circuit, wiring a 3.5mm ...

Crystal Palace are in 10th place in the Premier League standings and have been inconsistent over the past year. The Eagles were held to a 0-0 stalemate by Brighton & Hove Albion in their previous game ...