How To Make a 3D Printer While Reducing E-waste

The alarming rate of production of various electronics and high-tech gadgets, and respectfully the ever-so-growing amount of e-waste that is being generated, calls for...

How to Purify Indoor Air Using Only Houseplants

Houseplants bring that little zing of life in every room, brightening up even the gloomiest day. But besides looking pretty, houseplants can actually serve...

Sahimo: Hydrogen Powered Car Consuming 1L/568 km!

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

How To: Natural Ant Control

Springtime means that you might be getting some unwelcome house guests. Ants become active after the cold winter, and many people struggle to control...

DIY: How to Build a Solar Furnace from a Satellite Dish

This is about how to build a solar furnace out of a satellite antenna dish and mirror broken in many pieces. As you may know, satellite dishes have a focal point (that is a point in which the electromagnetic energy focuses at its maximum power).

How to Make Your Own Solar Cell From a Bunch of Scrap Diodes (Video)

Buying photovoltaic panels from the store and installing them can prove a costly process, so why not try making a pair of your own...

How to Build a Biogas Plant in your Backyard

Anybody who generates a significant amount of bio-waste, and especially those among us with country farms, often have one single dream- and that is...

3 Toy Electric Vehicles to Build With Your Kid

Electric vehicles are something that fascinate more and more people each day. But until an engineer gets to work at Tesla, he has to...

How to Encourage Others to Recycle (Nicely)

I can’t think of any good reasons not to recycle. It’s relatively easy, affordable, saves your city money, and it can make a huge...

Free Energy Generator – The Pinwheel Gravity Engine

Pinwheels have been used for many things along history. One of the most interesting uses I've ever seen is making a pinwheel act as a free energy generator, powered by gravity.