Solar power is a truly efficient source of energy, but it tends to fluctuate, and, as you might know, it turns off at night. One clever way to alleviate this intermittence is to store solar energy in the form of heat using molten salt. An aerospace company, Hamilton Sundstra, has created a venture called SolarReserve,… [Continue Reading]
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Efficient LED Light Bulbs For The Home
March 16, 2010 by 28 Comments
LED light bulbs have some huge advantages over incandescent and compact fluorescent (CFL) bulbs. But they perform differently, so here’s your guide to understanding LED bulbs so you can enjoy their benefits and play to their strengths.
Hybrid Gets 150 Miles Per Gallon Using Ultracapacitors
January 12, 2008 by 23 Comments
It’s a prototype hybrid car that gets 150MPG, and goes 40 miles on electricity alone, drawing its power from a combination of lithium-ion batteries and ultracapacitors. The ultracapacitors provide a burst of energy to the engine, when needed. They are then recharged by the lithium-ion batteries. This avoids the problem of emptying the batteries too… [Continue Reading]
The Best Electric Bikes For Commuters
April 30, 2010 by 8 Comments
Electric bikes are ideal for commuting because they allow you travel up to 30 miles in a stretch, and you are less likely to drenched in sweat when you arrive at your destination. Some models have motors that assist as you pedal, making your ride easier, especially when going up hills. Some models allow you… [Continue Reading]
The Stealth Toilet Uses Only 0.8 Gallons Per Flush
December 17, 2012 by 12 Comments
In the U.S., toilets account for 30% of indoor water use, but this is mostly due to their inefficient designs. So I was pleased to find the Stealth Ultra-High-Efficiency Toilet toilet by Niagara. This is probably the most water efficient flush toilet available for residential use. The Stealth (great name by the way) uses only 0.8 gallons… [Continue Reading]
Enjoyable Travel Using Slow, Clean, Car-Free Techniques
August 18, 2011 by 1 Comment
Right now, I’m investigating a new travel technique, which I’m calling “Slow Daily Travel”. By going slow (traveling 1o to 100 miles per day), your journey can often become more intriguing and enjoyable. My technique involves traveling as far as you like each day, and then staying overnight in a hotel. The next day you… [Continue Reading]
The Best Noise Cancelling Headphones Of 2011
February 3, 2011 by 8 Comments
Stereo headphones with active noise cancellation technology let travelers hear their music with greater clarity and less ear fatigue. These headphones are useful for those who want to seal out their surroundings, since noise cancellation circuitry is especially effective at countering low-frequency tones (like crowd noise or engine noise on an airplane). Here are four… [Continue Reading]
The Fluoride Debate
September 28, 2010 by 7 Comments
It’s in our drinking water, our toothpaste and even the bottled juices and sodas we drink. Fluoride, according to the American Dental Association, is a key mineral in the fight against cavities and can even repair the early stages of tooth decay. The ADA warns, however, that, like any other nutrient, fluoride can be misused… [Continue Reading]
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