Physically, processors can only process so quickly. We’re limited by physics. We can only make things so small before we run into issues, and we can only transmit information so quickly with our current technology.
Imagine you’re an Olympic athlete. Let’s say you do the long jump. Due to limitations of physics and due to the limitations of the human body, there’s only so far a person can really long jump. It can only be optimized so much before humans reach a ceiling where they just can’t higher records for the long jump. The Olympic record for the men’s long jump is 8.90 meters in 1968. That’s over 50 years ago!
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