If you’re planning on hosting large gatherings during the next few months, you’ll want to invest in a powerful vacuum that can tackle big messes without being a pain to use. If you’re on the market ...

Abstract: In this letter, we demonstrate a PDMS/GaN-based optical microsensor for measuring vacuum pressure. The submillimeter-sized GaN device responsible for optical emission and detection is ...

Marked: "DAYRAD Tube Checker / Mfd. by the Radio Products Co., Dayton, Ohio. / Licensed Under Weston Patent 1704566 Type B". Includes leather carrying strap. Tube tester designed for A.C. plug in ...

Prime Big Deal Days is here. We've rounded up the best Prime Day robot vacuum deals on models our home editors have rigorously tested.

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Table of Contents Table of ...

Abstract: Substrate Integrated (SI) technologies, either completely or partially filled with dielectric, as well as completely empty (i.e. without any dielectric material), have been object of intense ...

Whether your stairs are straight, L-shaped or spiraled, these best vacuums for stairs tackle the dusty steps. Cleaning your stairs might seem like an afterthought, but debris builds up there pretty ...

There’s no such thing as a complete vacuum. Even in the cosmic void between galaxies, there’s an estimated density of about one hydrogen or helium atom per cubic meter. But these estimates are largely ...

Amazon's Prime Big Deal Days (a.k.a. October Prime Day) ended yesterday, Our deals editors are still reporting on the best ...

Shop for the practical people on your holiday list with these gift ideas, including tech-cleaning kits, comfy slide-on shoes and cooling sheets.