This as-told-to essay is based on a conversation with Peng Lin Hua, an 86-year-old retiree in Singapore. It has been translated from Mandarin and edited for length and clarity. Before I retired, I ...
Add Yahoo as a preferred source to see more of our stories on Google. Peng Lin Hua, 86, taught physics in China before retirement. He still leads an active life — in his 50s, he started doing ...
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