A straw-like object with a high-powered filter can be used to drink clean, fresh water from otherwise filthy and undrinkable streams and lakes. The number of deaths due to unhealthy drinking water would dramatically decrease if we could make this a mass-produced item.
A plate is surgically inserted into a person’s arm, and a tattoo-pen-like object is used to create temporary (or permanent if you so choose) tattoos by activating spots on the plate that make the pattern appear on the person’s skin. If the client grows tired of the design or needs to remove it for a job, the design can be deleted, then re-added once the time is right. This would be a big step forward and could eliminate a lot of the illnesses contracted via needles.
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