Ben Krasnow
Sunday, June 29, 2014
Mathematical integration without calculus
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I show how to convert an area measurement problem into a mass measurement problem that is easier to solve. In general, this idea of conver...
4 comments:
Sunday, June 8, 2014
Measure the mass of an eyelash with a DIY microbalance
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I built a microbalance based on a design by Paul Grohe: http://www.youtube.com/watch?v=n90whRO-ypE It is has a precision of about 5 microgra...
1 comment:
Monday, June 2, 2014
Use an oscilloscope to collect optical spectral data
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I'm using my new Tek oscilloscope to collect data from a DIY spectrometer. The scope is in X-Y mode with infinite persistence. The X a...
8 comments:
Monday, May 26, 2014
Measure car engine speed RPM via the cigarette lighter
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I setup my new oscilloscope to measure a car's engine speed by connecting to the cigarette lighter. The inductive kicks from the igniti...
1 comment:
Saturday, May 10, 2014
Diffusion pump giveaway contest - ends May 31 2014
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I'd like to send this diffusion pump to someone who can make good use of it. If you are interested, please send me an email (500 words ...
2 comments:
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