Here are 2025's most popular questions and answers from The Journal's Car Doctor column, from rotating tires to oil changes.

Cars need cameras that work fast, use little power, & see bright lights clearly. A sensor makes cameras smaller & adds smart ...

Because this is pretty cutting-edge tech for a smartphone, the ultrasonic sensor doesn’t always work as quickly as you would like when you want to unlock the Galaxy S10 or S10 Plus. However, there are ...

Toshiba Electronic Devices & Storage Corporation ("Toshiba") has launched "TCD2400DG," a lens-reduction type[1] CCD[2] linear image ...

Sensors are the “eyes” and “ears” of processors, co-processors, and computing modules. They come in all shapes, forms, and functions, and they are being deployed in a rapidly growing number of ...

[Mike] built a sensor rig to measure projectile speed. The setup uses a tunnel with two sensors in it. Each consists of a laser diode on one side focused on a photodiode in the other. The two are ...

CMOS image sensor technology underpins a wide array of modern imaging applications, ranging from everyday digital cameras to specialised scientific instruments. This technology exploits complementary ...

With CNC machines, getting the best results depends on knowing how fast your tool is moving relative to the workpiece. But entry-level CNC routers don’t often include a spindle tachometer, forcing the ...