If Einstein somehow time traveled, and he knocks on my door now, would he be impressed....?

You obviously don't pay to much attention to the technological advancements that have been happening in the world. They have designed and built nuclear powered engines. They have the technology to create a fabric which makes you invisible. Computer technology is advancing and evolving on a daily basis. What do you mean by saying our automobiles are pretty much the same as they were 100 years ago? That they still have 4 tires? Some actually have 3.