Thomas Edison’s incandescent light bulb, patented in 1880, made electric lighting practical, affordable, and long-lasting. It ...
It has enjoyed a rich history since its formal establishment in 1793, hosting the first demonstration of the light bulb by Sir Joseph Swan in 1879. However - before opening in 1825 - the library ...
energy-wasting bulbs that have changed little since Thomas Edison invented them in 1879. The standards in question do not specifically ban the old bulbs but require a higher level of efficiency than ...
Originally hailing from Troy, Ohio, Ry Crist is a writer, a text-based adventure connoisseur, a lover of terrible movies and an enthusiastic yet mediocre cook. A CNET editor from 2013 to 2024, Ry ...
Looking for new ways to get students reading and responding to nonfiction? Try these exercises for discussion, writing and speaking. By Peggy Dimock Have you been paying attention to current ...
Using a clever device consisting of multiple thin layers, the physicists manage to output the edges of incoming images. Credit: UvA Researchers from the University of Amsterdam’s Institute of Physics, ...
LED light wands, or light sticks, provide an effective (and relatively affordable) alternative to a photographer’s flashgun or a videomaker’s stand-mounted lamp. You don’t need to sync a light wand ...