Answer the following about the early history of string theory, for 10 points each.
[10e] The original string theory was not a theory of everything, but only described these integer-spin particles that include the W, Z, and Higgs.
ANSWER: bosons [accept W boson; accept Z boson; accept Higgs boson]
[10m] The original string theory predicts the existence of one of these faster-than-light particles. Unfortunately, this means vacuum is unstable in bosonic string theory, as the vacuum can infinitely emit these imaginary-mass particles.
ANSWER: tachyons
[10h] Because bosonic string theory requires 26 dimensions, this process must be done to the extra 22 dimensions to reconcile the theory with our four-dimensional spacetime. This process usually involves “curling up” the extra dimensions onto Calabi–Yau manifolds.
ANSWER: compactification [or word forms]
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