A student's electromagnetic sensor detects benzodiazepines in drinks and sends an alert through an app, sharing your live location with a safety network.
https://www.foxnews.com/health/drink-spiking-defense-new-bracelet-aims-expose-drugs-drop-cocktail
https://www.foxnews.com/health/drink-spiking-defense-new-bracelet-aims-expose-drugs-drop-cocktail