Your friend is on the floor unconscious. The culprit: a heroin overdose. You panic, but then remember a gadget that can save her life. She told you where it would be if this ever happened, didn’t she? You run to her bedside table, fling open the drawer, and grab the compact purple and yellow injector. After you pull off the lid, the device speaks, telling you to place the plastic case on your friend’s thigh, press down, and dispense the life-saving drug inside.
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Science, Spoken