Markus Kayser - Solar Sinter Project from Markus Kayser on Vimeo . Amazing. I wonder if finely shredded plastic waste could be used in...

Using the small automatic tester to check car sized batteries takes much longer but gives useful sorting information. Continuing with the ...

Hello! I am humbled and grateful for your interest. And for your comments! Each day is different. This chart is today. Usually I have mo...