First, I got asked what is a problem I stay up all night thinking about.

Then I got asked if a hollow rod and a solid rod of the same height and material, which would bend easier.

Then, finally, I got asked about the behavior of a drone being launched out of a car at 70 mph. I had not brushed up properly on my physics, so I wasn't really prepared for it. I expected it to cover more manufacturing-oriented things.

But all in all, a really insightful and inspiring experience. It also showed me gaps in my thought process and knowledge, and I will try again hopefully sometime later.

Note: A lot of former Tesla guys are at this startup, so prepare like one of those types of interviews.

What is a problem you stay up at night thinking about?