Tachyon 없에려고 추가한 것이고 이거 추가하면 Super String Theory이다왜냐하면 그순간부서 Fermion 하고 Boson 이 Super Symmetry 이뤄 String TheoryHow can we reconcile gravity with quantum physics? Why are there different types of particles? How can we verify the existence of additional dimensions? All these answers in 16 minutes! 0:00 - Introduction 2:17 - Strings and vibrations 4:03 - Dynamics and interactions 7:14 - Superstrings 10:09 - Compact dimensions 13:50 - Conclusion For more videos, subscribe to the YouTube channel : https://www.youtube.com/ScienceClicEN And if you liked this video, you can share it on social networks! To support me on Patreon : http://www.patreon.com/ScienceClic or on Tipeee : http://tipeee.com/ScienceClic Facebook Page : http://facebook.com/ScienceClic Twitter : http://twitter.com/ScienceClic Instagram : http://instagram.com/ScienceClic Alessandro Roussel, For more info: http://www.alessandroroussel.com/en _ To learn more : https://en.wikipedia.org/wiki/String_theory https://www.damtp.cam.ac.uk/user/tong/string.htmlhttps://www.youtube.com/watch?v=n7cOlBxtKSo