THE Nernst lamp can now be said to be well upon its way from the experimental to the commercial stage. It has appeared strange to many people that it has taken such a long time before lamps could ...

Over the last couple few decades there has been a great shift in electric lighting, first towards more compact and efficient fluorescent lights, and then towards LED bulbs. The old incandescent bulbs, ...

IT was suggested to me by a friend to use a Nernst lamp in a lantern. On trying the experiment I have found that a one ampere 220 volts Nernst lamp gives quite a fair result in a small lantern, ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This glower assembly was the active ...

After dominating the illumination market for more than a century, it’s easy to think of the glowing filament of the standard incandescent lamp as the only way people found to turn electricity into ...

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 ...

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 ...