Electric toothbrushes clean more effectively than manual ones, remove plaque better, and may lower the risk of gum disease. Learn their benefits and drawbacks.

Abstract: A multiaccess ultrasonic positioning system (UPS) based on chirped signals needs to estimate the ultrasonic (US) time-of-flight (TOF) of at least three channels. If the cross correlation ...

The Vivo X300 Pro is a serious upgrade, not a yearly refresh. The combination of the ZEISS APO telephoto camera, the huge ...

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