Unverified50% confidenceFactExact time
Since its launch in 2002, PhET has created over 160 simulations, with cumulative usage exceeding 1 billion times.
1
Sources
50%
Confidence
Long-term
Relevance
8/5/2026
First Seen
Sources
Plethora：交互内容版YouTube，重新定义信息流体验
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