How to Make Your Home Energy Efficient in 6 Simple Steps
For most DIY lovers, having the chance to design and build their own house is like a dream come true. Now imagine you do...
How to Measure a Stirling Engine's Efficiency (video)
The next video shows a Stirling engine while working to achieve its best, powered by a 70W light bulb. The poster also shows how he measured various parameters of the engine, like speed, torque, input/output power.
Make Free Electricity by Pouring Water from a Can
Of all the science stuff I've ever seen, this free electricity experiment has caught my eyes and is by far the most simple and interesting....
