At this point you're likely familiar with the often-touted upsides to using LED (light-emitting diode) bulbs instead of incandescent (glass with a heat-based filament) ones. LED bulbs are said to ...

Now that incandescent bulbs are on the way out, LED bulbs are a clear choice, but there are things to keep in mind when ...

But a proper Fresnel requires a lot more optical design. The best of today’s LED Fresnels are quite good, but their beam quality at flood is different than with legacy incandescent Fresnels. That ...

Heavily-used LED bulb (left) vs seldom-used bulb (right) after 8+ years. I’ve seen lumen depreciation and color shift first-hand. In June of 2010, I replaced twelve 65W incandescent PAR30 ...

The ultimate goal for LED-based white lighting is to replace all incandescent bulbs and compact fluorescent lamps to provide an energy-efficient and long-lasting option for everyday use.

Genome size is the total number of base pairs in an organism. While the number of genes in an organism's DNA (red bars) varies from species to species (numbers at right), it is not always ...

A comparison chart that includes competitor brands can be a tremendously effective addition to your product’s sales page. Introducing readers to other brands can be risky, especially if their ...

We've been pretty definitively in the age of flat-screen displays for a couple of decades now, with just about every television and monitor in the average home now a flat rectangle instead of the ...

Social comparison theory is the idea that individuals determine their own social and personal worth based on how they stack up against others. The theory was developed in 1954 by psychologist Leon ...

An electrophotographic printer that uses a matrix of LEDs as its light source. The LED mechanism is much simpler than its laser printer counterpart. A stationary array of LEDs is used instead of ...

Over the long term, stocks do better. Since 1926, large stocks have returned an average of 10 % per year; long-term government bonds have returned between 5% and 6%, according to investment ...

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