This piece of electrical cordage is called a PowerSquid. It lets you connect multiple devices, even with big power converters, to a single outlet. It even has its own home page. They also have version that incorporate surge protection and other electrical interference. Available from Amazon for $11.99
This device is a night vision scope, but it doesn’t require any batteries. Instead, it’s has a lever-activated power supply, so you can generate your own power ad hoc. You’ll can see in the night without fear of an energy failture. It is priced around $200. See Camping Station or other vendors.
The “Juice Bag” is the first of its kind — a backpack with flexible solar panels built in. This means it’s lighter and less bulky that other solar backpacks. The pack has a capacity of 2500 Cubic inches, and weighs 2.5 pounds. It charges gadgets directly via a built-in female 12V car charger. The solar […]
The latest issue of Home Power has an article on how to cool your house down using natural systems (also known as passive cooling). This is a concept that is neglected in most modern house design — forcing home owners to use air conditioning throughout the summer. The article illustrates the basics of passive cooling […]