http://www.sciencealert.com/live-update-big-gravitational-wave-announcement-is-happening-right-now
After 100 years of searching, an international team of physicists has confirmed the existence of Einstein’s gravitational waves, marking one of the biggest astrophysical discoveries of the past century. It’s a huge deal, because it not only improves our understanding of how the Universe works, it also opens up a whole new way of studying it.
The material is much more interesting. When I discussed a topic later in the term, I found that the students…
Laura Davidson, Teacher