Why? A cheap probe ultrasonic mixer is $500 on Amazon, small, and would take forever. An immersion blender is $17 at Walmart and does it in seconds for a half-liter of mayo or hollandaise. If you need more than 500 mL of mayo but can’t just do a few batches, you are no longer in the realm of cooking at home.
If you want to do molecular gastronomy stuff, have fun, but it isn’t ever going to be a mass-market thing.
If you want to do molecular gastronomy stuff, have fun, but it isn’t ever going to be a mass-market thing.