Hewlett Packard has demonstrated what looks like a practical and affordable way to generate no-special-glasses-required 3D images and video from an LCD type of display:
John Hare considers the capability of a monster (in more ways than one) rocket that combines a stretched SpaceX Falcon 9 with Shuttle solid rocket boosters to put about 140 tons into orbit: SFalconLS – Selenian Boondocks.
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Chuck Lesher notes that Navy railgun development has reached a level of capability already sufficient to hurl small amounts of material from the Moon at escape velocities: Is the US Navy Preparing to Conquer Space? – Moonandback
Even at this early stage, the railgun is already capable of launching a 23 pound payload off the surface of the moon. We have our mass driver but getting it operational on the moon along with all the support needed to supply it with payloads… well, solving that problem must wait for another blog entry.
They didn’t reach their goal of $75k but $62,560 is a lot more than the $10k or so they had just a couple of weeks ago. Help from Boing Boing and others made a big difference in the final push.
Update: Stephen C. Smith (Space KSC blog) has posted videos of both hearings:
* March 20, 2013 – the U.S. Senate Subcommittee on Science and Space held a hearing titled, “Assessing the Risks, Impacts, and Solutions for Space Threats.” The invited witnesses were:
Dr. James Green, Director, Planetary Science Division, Science Mission Directorate, National Aeronautics and Space Administration
Dr. Ed Lu, Chairman and Chief Executive Officer B612 Foundation
Mr. Richard DalBello, Vice President, Legal and Government Affairs, Intelsat General
Dr. Joan Johnson-Freese, Professor, National Security Affairs, U.S. Naval War College
* March 19, 2013, the House Committee on Science, Space, and Technology held a hearing titled, “Threats from Space: A Review of U.S. Government Efforts to Track and Mitigate Asteroids and Meteors, Part 1.”
Invited witnesses were:
John P. Holdren, Director, Office of Science and Technology Policy, Executive Office of the President
Gen. William L. Shelton, Commander, U.S. Air Force Space Command
Charles F. Bolden, Jr., Administrator, National Aeronautics and Space Administration