Why this key chip technology is crucial to the AI race between the US and China | CNN Business

Taipei, Taiwan
CNN
 — 

In the largest single foreign investment in US history, Taiwan Semiconductor Manufacturing Company has unveiled a $100 billion investment, drawing global attention and prompting concern in Taiwan.

TSMC, which produces more than 90% of the world’s advanced semiconductor chips that power everything from smartphones and artificial intelligence (AI) applications to weapons, will…