One of the most basic tools for tinkering with electronics is a multimeter. Today ... thing that hasn’t changed much over the years: probes. That’s a shame because there are a lot of useful ...

One of the most basic tools for tinkering with electronics is a multimeter. Today ... thing that hasn’t changed much over the years: probes. That’s a shame because there are a lot of useful ...

The DNA serves as a targeting mechanism, helping the voltmeter to enter the cells and reach the proper organelle. The two fluorescent molecules act as the ‘probes’ of the voltmeter.

Make sure the nails do not touch. Get help from someone with experience using a digital voltmeter. Turn the dial to measure volts. Then, at the same time, touch each electrode with either the red or ...