But recent developments have allowed for bright LEDs. The LEDs of the early ... There are even LEDs that resemble old-fashioned light bulbs with a visible "filament." LEDs cost more than ...

As the BBC’s Matt McGrath reports, new research indicates that it may be possible to make old-fashioned incandescent bulbs much more efficient. Consider it a light bulb over the head moment.

The Biden administration is pulling the plug on incandescent light bulbs in favor of energy-efficient light-emitting diodes, or LEDs. The phaseout of the old-fashioned bulbs is aimed at reducing ...