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Engineers at Illinois just stacked silicon transistors three layers deep — 625 per layer, matching standard chip performance and finally giving Moore’s Law a new path for…

For decades, chipmakers kept Moore’s Law alive by shrinking transistors sideways, etching ever-finer features into flat slabs ...
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Researchers just crammed more computing into the same chip space by stacking silicon circuits in multiple layers — a vertical stack that squeezes whole generations into one wafer

For decades, chipmakers squeezed more transistors onto processors by shrinking them sideways. That playbook is running out of room. Now, a team of engineers has demonstrated a different strategy: ...