In this video, I restore an antique Stabila level made of Indian teak wood, a tropical hardwood. Originally, I intended to leave it untouched, but after finding that Stabila levels remain functional, ...

Spirit Engineering had spent a decade tucked away in the outskirts of Grand Junction, secretly developing, then building, every component of the single-seat SE-1 airplane, down to the engine itself.

Manish Sahajwani is an entrepreneur and financial educator with 17+ years of experience. He is also the founder four business. Ebony Howard is a certified public accountant and a QuickBooks ProAdvisor ...

Free-electron lasers create coherent light by constantly accelerating a beam of electrons. Free-electron lasers are particularly useful because they can produce radiation with a short-wavelength, down ...

Solid-state lasers are lasers made from crystalline materials. The very first laser used ruby as a solid-state active region in 1960, and there are now hundreds of known alternatives. The most common ...