An Energy Producing Home In Disguise

Who says that a home with cutting-edge energy efficiency has to look like an ultra-modern pod? This recently completed Wisconsin home packs so much energy tech that it makes money by selling electricity back to the grid, and it still keeps a low neighborhood profile.

Kite Gen: The Future Of Wind Power?

Wind power holds great promise as a clean energy source, but current windmill generators aren’t appropriate for all locations.  Italian firm Kite Gen hopes to change that with its innovative new generator designs, which use “kites” to capture strong high-altitude winds.

The Best iPhone Battery Pack

The iPhone can be power-thirsty. For many people a battery extender is an essential iPhone or iTouch accessory. Here are four of the best backup iPhone battery packs. Note: iPhone battery performance times vary widely based on individual usage habits and applications. Wherever possible we have tried to give details of a backup battery’s capacity relative to an iPhone’s full …

Liquid-Filled LED Bulbs: 360 Degree Light

I’ve been testing a new LED bulb called the HydraLux. These unique bulbs are filled with a clear liquid coolant (a non-toxic paraffin oil). Other LED bulbs use large metal fins or fans for cooling purposes. The advantage of using a liquid coolant is that the LED bulb can produce 360° light like a regular incandescent bulb.

The Best iPod Car Stereos

If you’re a music lover who spends a lot of time on the road, you don’t want to fumble with an iPod’s controls to enjoy your music. So what’s the solution? An iPod stereo receiver for the car. And there’s no need to break the bank – here are four of the best options available for under $150.

How To Build A Deep Bass System For $750

In this article I will describe how to build a high-fidelity, bass-intensive sound system for under $1000. The secret ingredient of the system is the use of tactile transducers. These transducers effectively eliminate the need for expensive woofers or subwoofers. It’s an efficient method of producing deep, high-fidelity bass for a fraction of the usual cost. Many of the ideas presented here …

Updates From The MetaEfficient Kitchen Labs

This summer I’ve been working on food-related optimization projects, here are some updates: I now have subscriptions with two local farmers (through a CSA or Community Support Agriculture). One farmer provides me with raw milk, raw butter and eggs, the other farmer provides vegetables and fruit. They both happen to deliver to same street in my neighborhood, so I ride my bike …

A Solar Flower Tower Rises In The Desert

This unusual solar tower was designed by Israeli architect Haim Dotan for AORA Solar. It is set to launch on June 24 in South Israel. The tower has 30 tracking mirrors (heliostats) that reflect sunlight towards the top of a 30-meter high solar tower. The top of the tower has a special solar receiver and a 100kw gas turbine. The …

Hyper-Efficient House Completed In Virginia

This new home in Virginia was designed for optimal efficiency. It’s the first to receive LEED platinum in Virginia. Optimal elements that set it apart: an integrated rain water collection system (the site design features zero site runoff for a one-inch rain event), integrated geothermal wells, and exceptional indoor air quality. The home was built by Metro Green and designed …

The Best Wireless Earbuds For iPods

Wireless earbuds allow you to listen to an iPod or MP3 player without a tangle of cords. They are particularly useful for listening while you are engaged in sports. There are two types of wireless earbuds: those that transmit wirelessly via an iPod adapter, and those that attach directly to an iPod shuffle. Most of the transmitting wireless earbuds use the …