I modified an ultrasonic dental scaler I bought for $125 from China off eBay, plus $10 for a set of steel tips which are blunt by design. Scalers are normally used to break up hard tartar deposits ...

Most often ultrasonic transducers are used for distance measurements, and in the DIY world, usually as a way for robots to detect obstacles. But for a weekend project, [Vinod.S] took the ...

Ultrasonic transducers send and receive waves for many types of sensing. They convert energy into high frequency sound waves in the ultrasonic range. These sound waves are then focused on a target and ...

They propose that an earthquake-triggered piezoelectric effect essentially electroplates gold onto quartz crystals. Approximately 75 percent of the gold humanity has obtained has come from what ...

Mary Hall is a freelance editor for Investopedia's Advisor Insights, in addition to being the editor of several books and doctoral papers. Mary received her bachelor's in English from Kent State ...

We've sourced some of the best packing tips from the jet set, whether your aim is to avoid additional baggage fees or get your Thanksgiving dinner through security. And because even the best ...

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By following these tips you can navigate the entrepreneurial landscape with confidence. Remember, the journey may be challenging, but with resilience and determination, you can achieve remarkable ...

Do you want to share a news tip? Here’s how. A good story can start anywhere, including with anonymous tips, but if you want to provide a meaningful tip for journalists, you should share ...