Ben Krasnow
Monday, April 26, 2010
Titanium heat exchanger for DIY aquarium chiller
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In my first post about building an aquarium chiller, I used a coiled stainless steel heat exchanger that I bought at a lab surplus sale. I...
20 comments:
Sunday, April 18, 2010
Speaker repair - replacing the foam surround
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Thursday, April 15, 2010
Etching Acetal (Delrin) plastic in preparation for painting, gluing, etc
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It looks like it might be possible to glue delrin with 3M DP-8005 after this chromic acid etching process. I'll do some more testing la...
7 comments:
Sunday, April 4, 2010
First test run of 1000W Osram xenon short arc lamp
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I have now built this lamp into a searchlight housing. UPDATE: http://benkrasnow.blogspot.com/2010/10/diy-searchlight-housing-for-1000w-xen...
9 comments:
Tuesday, March 23, 2010
Looking closely at CDs
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I've always been intrigued by the dividing line between the written and unwritten areas on a CD-R. All CD-R formats begin writing in a ...
5 comments:
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