What about a radio-controlled, voice actuated, wheeled suitcase that responds to the owners command to come to heel? We would call in the Rover.
If you could invent anything (something actually plausible) that would help many people, what would it be?
Warp drive to roam the universe.
A cure for this arthritis i and many have
An ice cube tray that gives someone an electrical shock that sends them flying across the kitchen if they try to put the freakin ice cube tray back in the freezer empty.
I would invent a cost effective way to desalinate sea water.
I would invent ear buds that are blu tooth compatible NO WIRES. My kids are ALWAYS breaking the little wire connections in the ear buds. LOL! It may not help man kind but it would be a nice invention.
After watching the debate last night .. I would want to invent a magic wand that can fix ``stupid``... Oh wait, you said ``plausible`` .. inventing a magic wand would be a lot more plausible than fixing that level of `stupid`.