Is There a Hidden Fifth Force? With Dr. Yu-Dai Tsai

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Is there a fifth force? What is the fifth force?
In physics, there are four observed fundamental forces which form the basis of all known interactions in nature: gravitational, electromagnetic, strong nuclear, and weak nuclear forces. However, there are theories which propose unknown physics, a fifth force, to explain anomalous observations that do not fit existing theories.

Dr. Yu-Dai Tsai joins John Michael Godier to discuss how it may be possible to use asteroids to probe for this hidden fifth force of nature.

Dr. Yu-Dai Tsai's Twitter: https://twitter.com/YuDai_Tsai

Asteroid astrometry as a fifth-force and ultralight dark sector probe
https://arxiv.org/abs/2107.04038

Dr. Yu-Dai Tsai's youtube channel: https://www.youtube.com/channel/UCiKB41ojsB7MfpRpLPzLkhg

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00:00:00 Intro
00:00:16 Bio
00:00:42 Searching for a Fifth Force using Asteroids
00:03:28 Asteroids are dangerous
00:05:25 what is the fifth force?
00:09:07 Is the fifth force related to dark matter?
00:13:30 How can an asteroid help probe for a fifth force?
00:16:40 the fly-by anomaly
00:21:57 Meteorite impacts
00:27:19 Paper co-authors Youjia Wu, Dr. Sunny Vagnozzi, and Luca Visinelli
00:35:16 Solar System evolution

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FOOTAGE:
NASA
ESA/Hubble
ESO - M.Kornmesser
ESO - L.Calcada
ESO - Jose Francisco Salgado (josefrancisco.org)
NAOJ
University of Warwick
Goddard Visualization Studio
Langley Research Center
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#hiddenphysics



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event horizon
john michael godier
event horizon john michael godier
Can We Find a Hidden Fifth Force?
physics
cosmology
is there a fifth force?
what is the fifth force?
fifth force
unknown physics
fermi lab
astrophysics
yu-dai tsai