If there’s one bit of technology I wish people would take more seriously, it’s the humble lightbulb. In fact, most people probably wouldn’t consider it as technology at all, but we’d see ...

Basic supplies include soda-lime glass tubing and pre-coiled tungsten filaments ... and sealed. The bulbs are baked after sealing to drive off any remaining water vapor. The resulting bulbs ...

While a tungsten light bulb's filament is much warmer than its surroundings, Planck's law offers a good approximation of the spectrum of photons it emits. The new study from the University of ...