Asteroids & Comets, In Space Infrastructure, Space Science Video: John S. Lewis talk on asteroids and mining them September 11, 2013 TopSpacer Here is a video of the talk by asteroid guru John Lewis (see earlier post) given in Silicon Valley last night: Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Tumblr (Opens in new window) Tumblr More Click to share on Pinterest (Opens in new window) Pinterest Click to print (Opens in new window) Print Click to share on Reddit (Opens in new window) Reddit Related