You’ve probably heard that time is relative. It sounds like a banal cliche, akin to “time flies when you’re having fun.”

But it’s no mere cliche: Time is relative. Though it’s not noticeable in daily life, time passes slightly more slowly when you’re moving vs. when you’re standing still. It also moves slightly more slowly when you’re at sea level than when you’re on top of a…

By now, ChatGPT, Claude, and other large language models (LLMs) have accumulated so much human knowledge that they’re far from simple answer generators; they can also express abstract concepts, such as certain tones, personalities, biases, and moods. However, it’s not obvious exactly how these models represent abstract concepts to begin with from the knowledge they contain.

Now…

Researchers at the Karlsruhe Institute of Technology recently found that manufacturing process selection influences product design outcomes, yet is still often guided by experience rather than structured evaluation of alternatives. Understanding the differences between chemical etching and other metal-shaping methods is essential to making more informed process selection decisions.

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