Bottle lights from plastic bottles
A Liter of Light (Isang Litrong Liwanag) is an incredible project which aims to bring eco-friendly and cheap bottle lights -also called solar bottle bulbs- to disprivileged communities and millions …
Read MoreAuthor: John H.
Solar powered fuel cell toy car
Once upon a time I had a RC car with a 3.5cc nitro engine. Lots of smoke and noise. I loved the thing, until it crashed into a sidewalk with …
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DIY Stirling engine from a tuna can
I am currently working on my third engine, after my 1st and 2nd attempts failed miserably… I thought my third engine would run. I thought wrong. It was airtight, it …
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Stirling engine homemade hot air diy, attempt #2
OK, two days after my first attempt of building a homemade stirling engine, I somehow cooled off and tried again. I fished the 250 ml. soda can I threw in …
Read MoreDIY Stirling engine out of a soda can, can I make one?
Homemade Stirling engine, attempt #1 Building a DIY stirling engine was high on my list for quite some time, because it seems a cool idea to have an tin can …
Read MoreSol Cinema: World’s smallest solar cinema!
Now here is one of my solar favorites. Sol Cinema: an 1972 caravan recycled into a fully working solar-powered cinema! Complete with usherettes. Originally, this small cinema is a arts …
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