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.
[…]
[Now] A leftover glow unlike any other — of neutrinos — has finally been seen.
“Two degrees above absolute zero was never so hot.”
History and Geography are no longer boring and dry, and the material provides a wide variety of topics.
Laura Davidson, Teacher