Minolta-QMS magicolor 2 DeskLaser Per page, toner costs less than ink. The 600-dpi printer matches the Phaser's ppm speeds, although its print quality certainly isn't as good. The eternal symbol for good ideas, the lightbulb continues to evolve. Edison's screw-in base hasn't changed, but newer technologies inside the bulb outshine the old tungsten filaments. And with a lifespan of 100,000 hours, the sturdy, coldproof bulb lasts 100 times longer.
Fluorescent lights die because their electrodes burn out, even though gas and phosphors remain.
A 23-watt Genura puts out 880 lumens for 15,000 hours, then gradually dims as the phosphors deteriorate. Inc. All rights reserved.