Automatic faucets use an electronic sensor to start and stop the flow of water when people wash their hands.
VOA: special.2011.04.06
It would not start with the proposed test of the MIRACL laser against the third Miniature Sensor Technology Integration (MSTI-3) satellite. (For that matter, these assets were used in an inconclusive low-power laser test last April.) And it assuredly would not stop if the Clinton Administration chooses not to conduct the high-power experiment now being proposed by the Army.
To start the heart journey plug in the small iOS module to the user's device and clip the sensor end to the earlobe to get an instant heart rhythm reading.