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AGM (Absorbed Glass Mat) Batteries

AGM is a newer type of sealed battery uses “Absorbed Glass Mats”, or AGM between the plates. This is a very fine fiber Boron-Silicate glass mat. These type of batteries have all the advantages of gelled, but can take much more abuse. AGM batteries have several advantages over both gelled and wet (flooded) batteries. Since all the electrolyte (acid) is …

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Electric Tricycles

The IZIP Tricruiser Adult Electric Tricycle is one of the best electric tricycles available today for it’s price. It has a classic adult tricycle shape with a comfy saddle and a large rear basket. It has a “Twist and Go” throttle, and a top speed up to 18 mph (29 kph) with a 30-35 miles (45-58 km) range. Here’s a …

Solar Shingles: Build A Meta-Efficient Roof!

   Solar Shingles — yes they do indeed exist and are available now. This new style of solar collector lets homeowners build electrical generation right into the roof itself. They can be added to existing homes or built into new homes. It saves money because the shingles serve a dual purpose — as a roofing material and as a power …

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Bamboo Flooring

Bamboo is inexpensive, looks great and is a renewable resource. Bamboo flooring is similar in appearance to hardwood but is even more durable in terms of scuffing, wear and expansion. The bamboo is harvested in plantations that take only 3-4 years to reach maturity. Although still not widely used, it is perhaps the most efficient material for flooring.   Purchase …

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Excel Hand Dryer Uses 80% Less Energy

This is a hand dryer, made by Excel, that uses 80% less electrical energy than similar dryers. It uses a high velocity fan to dry hands faster (10-12 seconds) by blowing the water droplets off the hands. Hand dryers are more efficient than paper towels in public restrooms. Paper towels have a higher annual cost, use energy to transport, create …

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Ultralight Hammocks

This Hennessy Ultralight Backpacker Hammock is a compact and inexpensive shelter. Uniquely designed to be stable while entering the hammock, and to provide support while sleeping. It has an oversized rain-fly to protect you from the elements while you are sleeping. We like these expedition hammocks because they weigh 1 lbs. 7oz., and are substitutes for an ultralight tent, fly …

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Self-Cleaning Glass: Pilkington Activ Glass

“Pilkington Activ” glass needs little cleaning, reducing consumption of detergent and water. The active glass has a special nano-scale (extremely thin) coating of microcrystalline titanium oxide which reacts to daylight. The reaction breaks down dirt on the glass, and when the water hits the glass the dirt slides off. The chemical used — titanium dioxide is a fairly benign compound …

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Waterless Urinals

These waterless urinals are plainly more efficient than the ones currently in use in most bathrooms nationwide. They can save up to 45,000 gallons of water and more per year per urinal. They also require less maintenance, and are less prone to plumbing problems. They have no moving parts. Urine is contained under a special biodegradable liquid called BlueSeal. According …

Hyper-Optimal: Create an Oasis with Greywater

The book “Create an Oasis with Greywater” by Art Ludwig is packed with information about how to reuse greywater by diverting it into your garden. What is greywater? It’s all the “waste” water produced in a house besides sewage — e.g. water from showers, sinks and washing machines. This is a key meta-efficient technique because, when done correctly, and combined …

Biodegradable Plastic Made Using Bacteria

Metabolix has found a way to produce high-quality plastics using plants and bacteria. In one process it has re-engineered bacteria to turn them into highly efficient "biofactories." By feeding sugars and oils to bacteria in a fermentation process, the company has created bacteria that produce plastics amounting to more than 85% of the cell’s weight. Read more at Metabolix…

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Book Review: “Cradle to Cradle: Remaking the Way We Make Things”

The ideas in this book are refreshing and optimistic. The authors, William McDonough and Michael Braungart, propose that factories, homes and consumer products can be redesigned so that they are actually beneficial to the world. This is in contrast to the approach of attempting to regulate industries and minimize environmental damage. Instead of trying to cause "less harm" the authors …

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Swampy IceStrMystr 12-Volt Model IM-30

Notes from Manufacturer: The IceStrMystr IM30 combines ice induced Air Conditioning with the age-old art of evaporative cooling. The cold water rushes through a special Cooling Core to produce air-conditioned air instead of merely evaporative cooled air. You can now choose your own size of cooling container. The water contained in your Ice Chest is cooled by ice or ice …

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Producing Drinking Water from Rain Water

It is possible to produce pure drinking water from rain water using a combination of devices costing around $300 total. Here’s how to do it: Install a roof washer and a rain barrel ($200). A roof washes diverts the first ten gallons or so of rain water away from your barrel — it contains such things as dust and bird …

The Best Seedbox For 2019

What is a Seedbox? A seedbox is a dedicated, high-speed server for downloading files. Most people rent seedboxes to achieve fast torrent or Usenet transfers. Typically, you will see speeds from 100Mbps (8MB/s) to 10Gbps (1250MB/s) on a seedbox. A seedbox also allows you to avoid ISP throttling and bypass eavesdroppers like the RIAA or MPAA. Not everyone needs a …