Not only is the fridge solar powered, it can also be built from household materials Read more: http://www.dailymail.co.uk/sciencetech/article-1108343/Amazing-solar-powered-fridge-invented-British-student-potting-shed-helps-poverty-stricken-Africans.html#ixzz2Eba9mhJe Follow us: @MailOnline on Twitter | DailyMail on Facebook
he pedal powered generator from Windstream is perfect for emergencies, power failures, remote locations, and off-grid applications. It can be pedaled or cranked by hand to charge 12 volt batteries and run small appliances. The typical average continuous power that can be generated by pedaling the Human Power Generator is up to about 80 watts. The maximum power obtainable through hand cranking typically is about 50 watts. The pedals and optional hand-cranks are interchangeable.
Most of us don’t carry a compass at all times. Here’s a quick trick to use your wristwatch as a compass. Point the hour hand at the sun and create an imaginary line between the hour hand and the 12 o’clock section. That imaginary line will point you south.