It's excellent for deep cleaning carpets and hard floors, and the detachable pod makes it easy to clean hard-to-reach areas ...

Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) and Technical University of ...

Macquarie University researchers have demonstrated a technique to dramatically narrow the linewidth of a laser beam by a ...

Researchers at the University of Illinois have pulled off a laser first: they built a new kind of eye-safe laser that works ...

A team at Harvard and Vienna University of Technology have invented a new tunable laser that uses a series of rings to smoothly emit many light wavelengths from a single chip. The laser could replace ...

The Dyson V15 Detect Plus Cordless Vacuum is currently $599 at Amazon, down from $749 — and with its laser dust detection, ...

The Penguin Book of Hell From the Hebrew Bible's shadowy realm of Sheol to twenty-first-century visions of Hell on earth, "The Penguin Book of Hell" takes us through three thousand years of ...