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時間旅行，尤其是回到過去，是可行的嗎？| Matt Szydagis | TEDxSchenectady
777,832 views |
Matt Szydagis |
TEDxSchenectady
• October 2017
Read transcript
透過我們對物理學的了解，Matt 描述時間旅行的可能性、現今受侷限之處，以及某種有機會實現時間旅行的科技。 這場 TEDx 演講是由地區社群獨立舉辦，演講採 TED 大會形式。更多相關資訊： http://ted.com/tedx
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