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The Best Shower Filters Of 2011

by Justin Thomas •

I just replaced my shower filters, so I thought I’d update my best shower filter review from earlier this year. Each update to the review generates a lot of useful comments. So I’m incorporating what I’ve learned from those comments into this latest review.

2

Using Solar Power To Run Electric Boats

by Justin Thomas •

Solar power is increasingly becoming a feasible choice for powering electric boats. In the last decade, we’ve seen improvement in the efficiency of electric boat motors, lithium-ion batteries, and the efficiency of solar panels.

1

Enjoyable Travel Using Slow, Clean, Car-Free Techniques

by Justin Thomas •

torqeedo-inflateable

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 repeat, until you reach your …

1

New 12 Watt LED Closely Matches 60 Watt Incandescent

by Justin Thomas •

The AmbientLED from Philips is the latest LED light designed to replace the 60 watt bulbs in people’s homes. Unlike older LEDs I tested, this light is definitely up to that job. It gives off 800 lumens of warm light, while running on 12 watts. It’s the first LED light to earn an ENERGY STAR qualification. To qualify, a 60-watt …

6

The Best Rechargeable D Size Batteries & Chargers

by Justin Thomas •

imedion_batteries

The best rechargeable D size batteries are the new LSD Ni-MH (low self-discharge Nickel-Metal Hybride) cells. These new Ni-MH rechargeable batteries are able to retain a charge for a year, making them suitable for using in flashlights and other low-term applications. See also our full review of the Best AA Rechargeable Batteries and Chargers. 

The Best Portable DSLR Cameras For 2011

by Justin Thomas •

Back in 2008, digital cameras fell into two basic categories: point-and-shoot cameras, and digital single-lens reflex cameras (digital SLRs or DSLRs). Now, there’s a new camera category that attempts to bridge this divide: Four Thirds Cameras. These cameras combine the compactness of a point-and-shoot camera with the advanced features of a DSLR camera. Depending on who you talk to you, you’ll …

6

The Pharox 300 Flame: The Warmest LED Light Bulb Available

by Justin Thomas •

Pharox Flame LED Light Bulb Replacement

The Pharox 300 Flame is the warmest LED light bulb I’ve tested. It’s been in a desk lamp in my living room — it gives off a pleasing yellow glow (a 3000 kelvin output). The Pharox’s light quality is very good. Unlike CFLs, this bulb contains no mercury it emits no UV radiation. Typically, quality household lights tend to have the …

5

The Most Efficient Public Swimming Pool In The U.S.

by Justin Thomas •

A community swimming pool called the Richmond Plunge has just opened in Richmond, California, and it may be the most efficient swimming pool in the country. The Richmond Plunge has many efficient features: it’s heated by solar collectors, it’s entirely chlorine-free, and the building is powered by solar panels on the roof. The Plunge is a historic pool — it …

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The Most Efficient Chest Freezers

by Justin Thomas •

When researching energy efficient appliances, we often turn to the recommendations of the American Council for an Energy-Efficient Economy (ACEEE). The ACEEE continues to publish helpful information about all sorts of appliances, including freezers. The ninth edition of their Consumer Guide to Home Energy Savings, published in fall 2007, contains helpful information about selecting a freezer. The most efficient type …