How to...

I threw out a tomato yesterday, and I felt horrible about it! Not that I had much choice, the poor tomato had gone past the...

If you live in concrete canyon land, you...

Summer vacations, even day-to-day commutes and other travels, can become costly pretty quick. Between hotel expenses, food, gasoline, entertainment expenditures and souvenirs, taking out a significant...

There are at least three ways to run a diesel engine on biofuel using vegetable oils, animal fats or both. All three are used...

Generating energy to charge and power devices or household appliances for free is the ultimate dream of many. Here are a few ideas of...

We all hear the big plans politicians and environmentalists have to cut down greenhouse gas emissions, reduce carbon footprint, mitigate climate change and so...

I recently found a PDF describing a step by step method, with pictures, of how to make your own wind-powered free energy to power...

What you are going to see in this video is nothing you don't know. In fact, I urge any weird-science reader to try and make the device from the video below, respecting the pictured details. I'll make it myself from a hard drive plate and a used scotch tape support. Let's see how much time it works, and if it can be improved.

Something truly amazing comes from Turkey: some students from Sakarya University just released a prototype of what seems to be a car - but...

The simplest fuel cell "burns" hydrogen in a flameless chemical reaction to produce electricity. In order to 'burn' the hydrogen, a fuel cell needs...