Such a laser is an important step on the path to creating computers that use light rather than electrical currents.
Care must be taken when using currents greater than 500 mA, as tissue burns may result due to heating of the probe.
The game gives casual-type hints by using "currents" to drive you in the right direction.
The rest of the time, they communicated using low currents, to avoid arousing the guards.
Electroconvulsive therapy uses small electrical currents to change brain chemistry.
Electrostatic systems use electric currents in the painting process to help paint adhere.
For nearly two weeks they used very low currents, about 0.05 amps, and discovered that the cell cooled down more than expected.
Innovative technologies using waves, currents and tides generate electricity from water.
It is probable that it used thermal currents as well.
The writer system used much larger currents that overcame this resistance.