(Wikipedia) When I saw this engine on Amazon I was fascinated. At first I was looking for a desk ornament but this was much better. It looks good and it's functional. Here's a photo of my Stirling engine set on top of an insulated coffee mug. It works great and I had it running for 4 hours one time. That was the longest time for me. I placed it on a dish filled with crushed ice instead of a coffee mug, it still worked! With ice cubes on top and a coffee cup at the bottom it goes faster. This video explains how it works:
Cataract Surgery Tricky for Those With Past Radial Keratotomy
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The surgery, known as RK, was considered a successful tool for correcting
vision. But in recent years, many of these patients who went on to have
cataract ...
18 minutes ago
