What a frugal tinkering can do?

What a frugal tinkering can do?
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Time and again @PrakashLab demonstrates how frugality is more creative and much needed STEM habit. Read the entire thread:

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Most interesting and very doable.

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Spans multidisciplinary expertise and skills from ITI to Phd.

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Frugal rocks. Any idiot can throw resources at a problem to make it go away. But the effectiveness of the solution is always enhanced if minor input and effort and expense can create major effect.

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