Showing results for "Graham Mack" in Physics

There are approximately 25,000 "city killer" asteroids in near-Earth orbit—and most are yet to be found. Small enough to evade detection, they are capable of large-scale destruction, and represent our greatest cosmic threat. But in September 2022, against all odds, NASA's Double Asteroid Redirection Test (DART) mission deliberately crashed a spacecraft into a carefully selected city killer, altering the asteroid's orbit. In How to Kill an Asteroid, award-winning science journalist Robin George Andrews reveals the development of the technology that made it possible

Is it worthwhile to invest one hour of your time to learning about nuclear war survival? The devastating events in Hiroshima and Nagasaki proved that there will always be survivors in the aftermath of a nuclear explosion. They did a few things right that made all the difference, and after listening to this short audiobook, you’ll know these critical steps too....