Human beings can see the spatial relations among objects by processing information conveyed by light. Scientists trying to build computers...

Passage Analysis:

Argument Flow:

"The argument starts by establishing how humans process spatial information, then describes what scientists have accomplished so far (stationary machines), and finally predicts they need mobility to truly succeed."

Main Conclusion:

"Scientists won't achieve their goal of building computers that detect spatial relations like humans do until they create machines that can move around."

Logical Structure:

"The argument assumes there's something essential about movement that the current stationary machines are missing. It suggests that true spatial detection requires mobility, though it doesn't explicitly explain why movement is necessary."

Prethinking:

Question type:

Strengthen - We need to find information that would make the author's prediction more believable. The prediction is that scientists won't achieve their goal of building computers that detect spatial relations like humans do until they make machines that can move around.

Precision of Claims

The key claim is very specific - scientists will NOT achieve their goal UNTIL they produce a machine that can MOVE around in its environment. This is about the necessity of movement for success, not just improvement.

Strategy

To strengthen this prediction, we need information that explains WHY movement is essential for detecting spatial relations the way humans do. We should look for evidence that shows either: (1) human spatial detection fundamentally requires movement, (2) stationary machines miss crucial spatial information that only movement can provide, or (3) the goal cannot be achieved without the mobility component that humans naturally have.