Daily Archives: May 30, 2013

NASA technology (51)


Artist’s Rendering of an Asteroid Capture

NASA – This artist’s rendering shows what capturing an asteroid could look like.

NASA’s FY2014 budget proposal includes a plan to robotically capture a small near-Earth asteroid and redirect it safely to a stable orbit in the Earth-moon system where astronauts can visit and explore it.

Performing these elements for the proposed asteroid initiative integrates the best of NASA’s science, technology and human exploration capabilities and draws on the innovation of America’s brightest scientists and engineers. It uses current and developing capabilities to find both large asteroids that pose a hazard to Earth and small asteroids that could be candidates for the initiative, accelerates our technology development activities in high-powered solar electric propulsion and takes advantage of our hard work on the Space Launch System rocket and Orion spacecraft, helping to keep NASA on target to reach the President’s goal of sending humans to Mars in the 2030s.

Image Credit: NASA/Advanced Concepts Lab

Comcast and Verizon’s Phony Free-Speech Claim

By Susan Crawford – Judge Brett Kavanaugh of the U.S. Court of Appeals for the D.C. Circuit wrote this week that the First Amendment shields Comcast Corp. from Congress’s authority to ensure the free flow of information across the basic network connections it provides.

The court should resist this reasoning, or risk trivializing the freedom of speech that the First Amendment truly protects.

Congress, though, has long distinguished basic information transmission facilities from newspapers; there is a sharp difference between a facility that allows someone else’s speech to be transmitted, and expression itself. Indeed, all of American communications policy is based on this premise. more> http://tinyurl.com/oy654m2

The Road to Customer Experience Is Not Thru Net Promoter Score

By Christine Crandell – Delivering a valued customer experience is a table stake for growth because customer loyalty is a harbinger of future profitability.

The place to start is not with a new piece of technology or Human Resources issuing an updated statement on the company’s values. It’s all those things plus much more assembled into a milestone-based blueprint that leads a company through the transformation at a pace appropriate for the organization’s business cadence, market dynamics, skills and capacity for change. more> http://tinyurl.com/qyw7af5


Challenges In IC And Electronic Systems Verification

By Aveek SarkarPower efficiency, unrealistic schedules, and cost-down considerations are increasingly the top challenges design teams must meet to deliver next generation electronic systems, whether it is for the mobile, server, or automotive market.

The key technical challenges involved in the design of a system can be categorized as: (a) power budgeting; (b) power and signal integrity; (c) system and component reliability; (d) thermal and mechanical stress, both at the system and component level, and (e) the ability of the system to meet regulatory requirements for electro-magnetic interference (EMI) and electro-magnetic compatibility (EMC).

A modern mobile handset, for example, is no longer just a telephone, and a tablet is no longer just a portable computer (PC). These systems integrate radio frequency (RF), analog, and digital functions in a system-on-chip (SoC) solution with memory, graphics, storage, modems, Bluetooth, WiFi, antenna, LCD, camera, MP3, and broadcast FM support. more> http://tinyurl.com/q47fa4u

Bernanke’s Dilemma: No Good Moves Left

By Michael Sivy – There’s a term in chess called zugzwang, which describes the point in a game when it’s your turn to move but every move you could make would worsen your situation. That’s pretty much what the chessboard looked like for Federal Reserve chairman Ben Bernanke when he testified before Congress this (May 22) morning.

What everyone most wants to know is when the Fed is going to start tapering off its bond-buying program (called Quantitative Easing), which has flooded the banking system with money for the past five years and kept interest rates abnormally low. And that was something Bernanke couldn’t answer.

Bernanke’s hedging isn’t primarily a sign of indecisiveness. His real problem is that given current economic conditions, there aren’t any good moves he can make. more> http://tinyurl.com/ol4fe7b



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