twisted light can be produced using the same technology as the 100-year-old Edison bulb (filament light bulb) technology. “We ...

The company’s first step was to work with Thomas Edison to develop a battery-powered lamp to avoid igniting firedamp in mines. MSA went on to produce a variety of safety devices, including breathing ...

The history of how these mass-produced novelty lights became a holiday fixture is a distinctly American Christmas tale.

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...