According to Appropedia : "When air or water is heated, it gains kinetic energy from the heating source and becomes excited. As ...

( Gizmag ) Bratislava's Nice Architects has revealed some renders and preliminary details concerning its Ecocapsule: a micro-shelte...

( Mother Earth News ) You can use many household organic “waste” materials to produce your own natural gas for cooking, lighting, and spa...

( Off Grid World ) How to build a nice small cabin powered by solar panels. Lamar Alexander built this cute little 400 square foot cabin...

( MailOnline ) By David Wilkes It looks like something straight out of Middle Earth – and the story behind it is almost as fantastical....