Screeners, classifiers, shakers, and separators are used for classification of powders or other bulk materials. Classification is done by particle size, density, magnetic properties, or electrical ...

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This is where soundbars come in. These compact audio systems are designed to dramatically enhance your TV’s sound, bringing movies, games, and music to life. Many soundbars even mimic the effect ...

We've tested everything from elite Dolby Atmos soundbars to cheap and simple TV sound upgrades, and these are the best. One of the best soundbars is essential if you’ve invested in a big TV and ...

Psst — this clever silicone divider lets you drink two different beverages out of a Stanley cup at the same time. View Entire ...

Soundbars can elevate the sound experience of your TV, which makes watching movies or playing games on a console far more enjoyable by adding deep basses and making dialogue clearer. Multiple ...

The human ear detects sound. Sound waves enter the ear canal and cause the eardrum to vibrate. Three small bones transmit these vibrations to the cochlea. This produces electrical signals which ...

In their House of Sound, Fran Scott and Greg Foot investigate how sound is made and how we hear it. They explain that sound is caused by vibration. If an object vibrates the air particles called ...

Our sound bar reviews are based on our own independent tests. We test harder in the lab so you can choose the right sound bar when you shop.

Cyclone separators utilize gravity and a vortex to remove particulates from gaseous streams. Industrial cyclones are used in pollution control applications most commonly as a first stage, lower cost ...

Romanticizing your life is fun, but weirdifying it with a blackhead-cleaning octopus and a wonky ringed floor lamp is better.