Time travel: This physicist wants to build a time machine
5:43
NBC News
Time travel: This physicist wants to build a time machine
When Ronald L. Mallett, a retired theoretical physics professor, was 11 years old, he read H.G. Wells’ famous classic, The Time Machine, a book that he said changed his life. He decided he would figure out how to build a time machine so he could see his deceased father again. Nowadays, Mallett, who is an expert on Albert Einstein's theories ...
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