You've got plenty of energy saving BR30-shaped LED options in the lighting aisle. The most common choice among them are 65-watt replacement bulbs that typically put out about 650 lumens of light each.

But they are an investment. The density and quality of LED diodes or “bulbs” typically correlate with efficacy (up to a point) and therefore a higher price. In fact, many pros say LED devices ...

Fluorescent probes are molecules that absorb light of a specific wavelength and emit light of a different, typically longer, wavelength (a process known as fluorescence), and are used to study ...

Dwelling replacement cost is the amount of dwelling coverage needed on your homeowners policy to repair or rebuild your home’s structure due to damage from a covered peril. Most home insurers use ...

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Gary Singh, the project manager, says: “LED is a highly efficient technology and uses 50% less energy on average compared to a standard fluorescent bulbs. LED smart technology is also able to turn off ...