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.
My grade 4 son played this with me a few times, his feedback was it was too easy but fun,…
Brad