Seventy years ago, we had taken fascinating steps forward in our conception of the Universe. Rather than living in a Universe governed by absolute space and absolute time, we lived in one where space and time were relative, depending on the observer. We no longer lived in a Newtonian Universe, but rather one governed by general relativity, where matter and energy cause the fabric of spacetime itself to curve.
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[Now] A leftover glow unlike any other — of neutrinos — has finally been seen.
“Two degrees above absolute zero was never so hot.”
The material is much more interesting. When I discussed a topic later in the term, I found that the students…
Laura Davidson, Teacher