Logitech’s G502 X Lightspeed remains a comfortable and responsive gaming mouse that brings great battery life and ergonomic upside, even if it doesn’t feel quite as premium as it once did.

Use one of these 12 tried & tested Logitech promo codes to save on webcams, mice, keyboards, headphones & more. All coupon content is created by Tom’s Guide. We may earn a commission if you buy ...

Our team of savvy editors independently handpicks all recommendations. If you make a purchase through our links, we may earn a commission. Deals and coupons were accurate at the time of publication ...

The G502 X isn't a whole lot different to the older G502 gaming mice, but manages to bring some useful ergonomic and weight tweaks to an already stellar design, in order to make it appeal more to FPS ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

Yonatan Ossia describes how focussed ion beam milling can help to correlate the emission spectroscopy of quantum dots with electron micrographs. Vibrational microscopy methods offer bond-selective ...

Get a great machine for cheap with our top-rated picks for budget laptops all costing $1,000 or less.