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No, a helicopter is a flying car. The only difference between a helecopter and what people think a flying car would be is the form factor. It is a personal aircraft that you can land at your home and use to go to work everyday. The problem is that you can not use it to replace the car because...

No, it is a precisely accurate analogy. A technology can't be used for something it is promised for because of the circumstances of that usage that can never be altered by improvements to the technology.

just like flying cars, this is not a technology problem, it is an application problem. We've had flying cars since the '40s. They are called helicopters.

Never, an assebly line employee will always be smaller, less expensive and more flexable than a robot. Fixing an employee that was mistrained just takes a supervisor yelling at them a few times. Fixing a robot that has been mistrained is a million dollar software project.

What 3d printing has replaces is not the injection mold, which creates multiple parts in 30 to 70 seconds, but rather the process of carving a part in a soft material such as wax or clay, then making a plaster cast of the part, then using that cast to shape your final material. A multi hour long...

Too slow to be useful for anything other than prototyping and custom parts?

Have you ever been inside a factory? Anything that is mass produced runs along the lines of at least one tool that has been specifically shaped for one part, as many as a dozen on an assembly line. You can get away with some minor modifications without having to completely replacing the tool...

No, they can't. You need to redo the entire process for every single item you make. With a fully automated factory, you can only make one thing ever.

Automation technology is like a car, just because you own a car does not mean you know how to drive it. Unlike a car, automation technology is very difficult to implement: it's more like being able to pilot a jet fighter off an aircraft carrier than driving a car. There are very are not an...