UNBLENDERS, DREMELFUGES, AND OPTICAL TWEEZERS
Making research-grade equipment from repurposed parts.
Two of the most useful DIY projects I know of are a modified record player that doesn’t make a sound and a kitchen blender that unmixes its contents. Both are research-grade science equipment. Scientists, both amateur and professional, build equipment to do real and important experiments. The instruments range from simple modifications of $10 gadgets to $100,000 precision instruments built from scratch. DIY equipment is an alternative that can save money and be easier to repair than closed-box commercial versions of standard equipment. ...
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