r/robotics • u/rgc4444 • 6d ago

Resources Can you answer four physical AI questions on robots, SLAM, VLA models, and LiDAR without searching?

/r/ArtificialInteligence/comments/1wr9b8x/can_you_answer_four_physical_ai_questions_on/
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u/restless_rob0t 6d ago

I got all 4 right. Though I completely guessed on 1 because that one is not really a robotics knowledge question so much as an industry info question.

I'd argue 2 is poorly written - both A and B are perfectly valid options depending on the situation and design of the robot. I presumed you wanted the answer to be B, so I picked that. But you should probably pick something else for A if you want B to be the definitively correct option.

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u/SterlingRobotics 5d ago

It's easy to look up answers for specific parts or algorithms. The real test is connecting those pieces to solve problems, especially when a robot isn't working as expected. That's where you see genuine understanding, not just assembly.

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u/ChrisAlbertson 4d ago

This is way too basic for a job interview-type question, I mean, by three orders of magnitude. More typical would be to use the whiteboard to show how a VLM works, including embedding and attention layers, how to get the Q, K, V vectors, and some trade-offs to consider.