Since the first screw base and socket bulbs were made in 1882, lamps have been purchased based on wattage used. Fast-forward 130 years and there is a new metric for light bulbs — “lumens.” Lumens are a measurement of the amount of light produced. This makes a lot of … [continued]
Rare earth minerals may be the most important factor in America’s transition to a low-carbon future – they’re essential to virtually every source of renewable energy we use today.
But China dominates global rare earth supplies and production, and their monopoly could corner the world economy. energyNOW! chief correspondent Tyler Suiters explores how U.S. dependence on China’s rare earths could affect our energy future and high-tech lifestyles.
The law mandating energy efficient improvements to light bulbs may be the most controversial energy-related topic in America right now. Most consumers aren’t familiar with the array of lighting choices available to them, and finding the right light bulb can be confusing and frustrating.
energyNOW! special correspondent Daniel Sieberg recently shed some light on the situation by comparing the different types of bulbs in a studio demonstration. He tests several different types of efficient light bulbs, and rates them on cost, brightness, type of light they produce, and how fast they turn on.
