Earlier this year the U.S. Army shot down a number of hostile drones in the Middle East using a weapon long dismissed as more science fiction than reality—the laser. After decades of costly ...

If you need high-quality printing in a snap, a laser printer can produce clean, sharp prints in as little as a few seconds. But, after three weeks of testing each device, not all laser printers ...

NASA’s Psyche spacecraft is depicted receiving a laser signal from the Deep Space Optical Communications uplink ground station at JPL’s Table Mountain Facility in this artist’s concept.

The best color laser printers are a great investment that can save you time and money compared to cartridge-based inkjet printers. Laser printers use toner, which lasts a long time, delivering a ...

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who joined Alger in 1999 and runs Alger Capital Appreciation and Alger Spectra. Alger has stuck with its growth-oriented philosophy and has taken steps to strengthen its product lineup.

This causes line emission spectra to be produced, as shown below. This is not a continuous spectrum as only light of specific frequencies and specific colours are produced. Different types of ...

A Harvard medical student recently completed an "egg-citing" experiment. Nick Norwitz, 25, decided to eat 720 eggs in one month to see what the effect would be on his cholesterol. At the end of ...

One solution could come from a technology called “free-space optics” (FSO), which uses lasers to transfer data through the air. It was pioneered in the 1960s by NASA and for decades has been a ...

Studying the line spectra produced by hot gases and absorbed by cooler gases allows us to identify the elements in stars. When a gas is very hot, it doesn’t emit all wavelengths of light.

Nick Norwitz, a Harvard medical student, shares the surprising results of his daring food experiment. Jack Smith's Evidence Dossier Against Trump Made Public: Key Takeaways 9 Meats You Should And ...