I’ve been relying on Microsoft’s Live website to function as my RSS reader. It worked fairly well and I was happy with it, but Microsoft announced that they are shutting it down. So I was forced to find a new way to keep track of my RSS feeds.
Why would you want to know your latitude? If you have solar panels, you can use your latitude to know how much to tilt your solar panel to absorb the most direct sunlight.
Made a quick rocket stove with bricks. Put a Peltier cooler on the back and got a fire going. Measured the current, volts, and watts produced from a single Peltier cooler. A cooling fan and aluminum heatsink with a 12V portable battery helped.
Peltier Cooler (also called TEC or Thermo Electric Cooler) - resting against a hot brick
A 12V battery is getting low and needs some wind to charge up. The wind turbine outside faithfully stands watch high above the ground, waiting for a chance to spin in the wind.
Review of a 12V splitter. This is also called a 3-way cigarette lighter adapter .
12V adapter-splitter review
This adapter plugs into a single 12V battery outlet and splits it into three outlets. Could be used to power three gadgets from your car or from wherever else you have a 12V outlet. I have one in my house for off-the-grid backup power.
Acid can release electricity from metal. What is an easy-to-find source of acid? Tomatoes!
The video above shows how an LED and a buzzer are powered by a tomato battery. It’s just two different metals dipped into mashed tomatoes. It even helps charge a AAA battery.