Mobile phone and piston pump: what they have in common

1. Step 1. Mobile phone — has part — Microprocessor. A processor is in control.
2. Step 2. Microprocessor — is part of — Insulin pump. A dosing controller.
3. Step 3. Insulin pump — has part — Piston. The reservoir’s plunger.
4. Step 4. Piston — is part of — Piston pump. The piston draws in and pushes out liquid.

Open Evothings