Multilayer graphene-gated carbon nanotube (CNT) emitters are introduced to novel vacuum-sealed x-ray tubes. We characterized field emission performances and electron-beam (Ebeam) converging of the ...

ZnO nanorods electron emitter was fabricated with the simple solution and hydrothermal process. ZnO can grow to countless nanorods without vacuum process. The I ...

The proposed next generation of gravitational wave detectors will require hundreds of kilometers of ultrahigh vacuum beam ...

Shopping for a new vacuum? These are the best vacuum brands for every type of machine, according to experts and reviewers.

We took the best vacuums for tile floors into our Testing Lab and sent them home with our editors to see if they effectively clean floors.

This Dyson is the Tinker Bell of vacs: nimble and powerful, with a glowing light for visibility and a suite of magical ...