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As part of my solar airconditioner I am working on a project to use the sun to boil water.

V2 is a $5 kmart glass jar with a water bottle inside. This is surrounded by a reflector.

Key Discoveries:

The glass jar does not get hot despite being in the sun.

The drink bottle is almost boiling the water.

31 Aug 2019 log

I started with 800ml of cold water.

At the end of the day I had 740ml of almost boiling water.