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John Lemke

Japan may send chatty humanoid tweet-bot to space - Yahoo! Finance - 0 views

finance.yahoo.com/...end-chatty-apf-2190521386.html

2011 japanese robots tweet Spaceflight robotics writeabout wroteatindienation wroteabout

shared by John Lemke on 07 Mar 11 - No Cached
  • John Lemke on 07 Mar 11
     
    Japan's space agency is considering putting a talking humanoid robot on the International Space Station to watch the mission while astronauts are asleep, monitor their health and stress levels and communicate to Earth through the microblogging site Twitter. Japan's space agency JAXA announced this week that it is looking at a plan to send a humanoid robot to the space station in 2013 that could communicate with the ground through Twitter -- primarily feeding photos, rather than original ideas -- and provide astronauts with "comfort and companionship."
John Lemke

Spy Babe Now Wants to Design Astronaut Outfits | Danger Room | Wired.com - 0 views

www.wired.com/...ts-to-design-astronaut-outfits

2011 writeabout spy espinoge security Russia AnnaChapman Chapman babe design Fashion

shared by John Lemke on 26 Feb 11 - No Cached
  • John Lemke on 26 Feb 11
     
    Is your national space program fashion-forward enough? Astronauts getting a little frumpy after the Cold War? Having trouble getting that space plane off the ground? Why not lift morale and brighten up the place with some fierce new uniforms designed by planet Earth's most infamous ex-spy? Yes, Russia's famously outed sleeper agent Anna Chapman is back in yet another installment of her merciless publicity tour. This time, she's looking to help the ground crew at Khrunichev State Research and Production Space Center work it down the runway in style. Frilly epaulets for all! "Chapman told me that she intends to participate in designing clothing for the Khrunichev [Space] Center, in what capacity, designer or financially, she did not specify," the Gagarin Astronaut Training Center's top astronaut told Russian state media today.
John Lemke

Shuttle operator may propose commercial flights - USATODAY.com - 0 views

www.usatoday.com/...1-02-05-space-commercial_N.htm

wroteatindienation Spaceflight newspacerace 2011 woteabout commercial shuttle nasa

shared by John Lemke on 25 Feb 11 - No Cached
  • John Lemke on 25 Feb 11
     
    Starting as soon as 2013, after construction of a new external tank, the lead operator of NASA's shuttle fleet proposes to fly twice a year with Atlantis and Endeavour at a cost of under $1.5 billion a year.If supported, the plan would reduce an anticipated gap of at least four years between launch of the last shuttle mission this year and availability of new privately run crew taxis, a period during which astronauts will depend on Russian spacecraft to reach the International Space Station.
John Lemke

DailyDirt: More Commercial Spaceships On The Way | Techdirt - 0 views

www.techdirt.com/...ommercial-spaceships-way.shtml

space techdirt writeabout Spaceflight newspacerace wroteatindienation 2011

shared by John Lemke on 01 Mar 11 - No Cached
  • John Lemke on 01 Mar 11
     
    This one is a good addition to our news story on space.  Lets try and get that one done as a straight news story and present it to Chris as a sample.
John Lemke

Rock Band Serenades Discovery Astronauts With Out-of-This-World Music | Space Music, As... - 0 views

www.space.com/very-astronauts-rock-band.html

music song wake-up STS-133 writeabout technology Spaceflight nasa rock serenades

shared by John Lemke on 09 Mar 11 - No Cached
  • John Lemke on 09 Mar 11
     
    Big Head Todd & The Monsters
John Lemke

3 Questions: Jeffrey Hoffman on the Space Shuttle at 30 - 0 views

www.physorg.com/...rey-hoffman-space-shuttle.html

2011 indienationnews writeabout technology newspacerace tech Astronaut JeffreyHoffman Space Shuttle Spaceshuttle spaceflight spacecraft history interview NASA

shared by John Lemke on 22 Apr 11 - No Cached
  • John Lemke on 22 Apr 11
     
    Three Questions to a 5 time shuttle veteran who now teaches at MIT
John Lemke

Japanese company proposes to build solar power cells on the Moon to provide clean energ... - 0 views

spaceindustrynews.com/...4187

2014 japanese solar power energy earth space Moon indienationnews

shared by John Lemke on 24 Feb 14 - No Cached
  • the 11,000 mile Lunar equator
  • will beam microwave and laser energy to giant energy conversion facilities on Earth. These beams will travel to semiconductors and inverters which will convert that energy to clean electricity to the grid that will power households, businesses and factories.
  • Shimizu’s plan uses Earthly materials, ceramics, water, glass, concrete, oxygen and solar cells. They would not ship water from Earth, they will make user of the Moon’s own resources and reduce the lunar soil using hydrogen shipped from our planet and then extract the water for use in construction.
John Lemke

Is China About to Scoop the Google Lunar XPRIZE? : Discovery News - 0 views

news.discovery.com/...op-the-lunar-xprize-131208.htm

2013 technology china lunar space spaceexploration

shared by John Lemke on 09 Dec 13 - No Cached
  • A $30 million Google-backed competition to land a spacecraft on the moon may be about to be scooped. China’s Chang’e 3 probe successfully put itself into lunar orbit on Friday in preparation for an attempted touchdown around Dec. 14.
  • John Lemke on 09 Dec 13
     
    "A $30 million Google-backed competition to land a spacecraft on the moon may be about to be scooped. China's Chang'e 3 probe successfully put itself into lunar orbit on Friday in preparation for an attempted touchdown around Dec. 14."
John Lemke

Colliding Atmospheres: Mars vs Comet Siding Spring - NASA Science - 0 views

science.nasa.gov/...12aug_marscomet

exploration space spacecraft spaceexploration 2014.09.29-TNN nasa comet mars science spring indienationnews

shared by John Lemke on 28 Sep 14 - No Cached
  • "We hope to witness two atmospheres colliding," explains David Brain of the University of Colorado's Laboratory for Atmospheric and Space Physics (LASP).  "This is a once in a lifetime event!"
  • Everyone knows that planets have atmospheres.  Lesser known is that comets do, too.  The atmosphere of a comet, called its "coma," is made of gas and dust that spew out of the sun-warmed nucleus.  The atmosphere of a typical comet is wider than Jupiter.
  • The timing could scarcely be better.  Just last year, NASA launched a spacecraft named MAVEN to study the upper atmosphere of Mars, and it will be arriving in Sept. 2014 barely a month before the comet. MAVEN is on a mission to solve a longstanding mystery: What happened to the atmosphere of Mars?  Billions of years ago, Mars had a substantial atmosphere that blanketed the planet, keeping Mars warm and sustaining liquid water on its surface. Today, only a wispy shroud of CO2 remains, and the planet below is colder and dryer than any desert on Earth. Theories for this planetary catastrophe center on erosion of the atmosphere by solar wind.
  • ...1 more annotation...
  • the comet could spark Martian auroras.
John Lemke

Commander Hadfield's Amazing Cover Of David Bowie's Space Oddity Disappears Today, Than... - 0 views

www.techdirt.com/...oday-thanks-to-copyright.shtml

indienationnews 2014 cover copyright copywrong major tom David Bowie IN-

shared by John Lemke on 13 May 14 - No Cached
  • Commander Hadfield posted on Twitter this morning that today is the last day for the video online, because they only had a license to use it for one year.
  • It's got over 22 million views, and it's about to go away... because of copyright and the idea that everything needs to be licensed.
  • One would hope that David Bowie (and/or whoever else holds the copyrights in question) would recognize just how insanely bad this looks and would "grant" a perpetual free license to keep this video online. Bowie, himself, has had a rather progressive view of copyright for many years. Back in 2002, for example, Bowie declared that "I'm fully confident that copyright, for instance, will no longer exist in 10 years, and authorship and intellectual property is in for such a bashing," and further noting that this is "terribly exciting."
  • John Lemke on 13 May 14
     
    What a shame. Especially since he did a great job with the cover.
John Lemke

Voyager 1 spots new region at the edge of the Solar System | Ars Technica - 0 views

arstechnica.com/...t-the-edge-of-the-solar-system

2012 tech voyager solar system space newspacerace physics solarWind cosmic rays discovery science

shared by John Lemke on 06 Dec 12 - No Cached
  • The researchers suspect they've reached a region of the solar-interstellar boundary that nobody had predicted. In this area, the magnetic field lines of the Sun link up with those of the interstellar field. Scientists are calling this linkage a "highway" for particles to travel along. It lets solar wind particles escape more readily, causing the drop in their intensity. And it opens the door for low-energy cosmic rays to slip in to our Solar System, which is why Voyager 1 is seeing so many of them. According the researchers at the press conference that announced these results, most steady-state models of the Solar System failed to predict anything like this. A few models did have a feature like this, but it was only a transient one that appeared at certain times of the solar cycle.
John Lemke

How Covert Agents Infiltrate the Internet to Manipulate, Deceive, and Destroy Reputatio... - 0 views

firstlook.org/...jtrig-manipulation

NSA GCHQ 2014 misinformation psyops surveillance spying espinoge yourrights indienationnews law

shared by John Lemke on 25 Feb 14 - No Cached
  • “The Art of Deception: Training for Online Covert Operations.”
  • Among the core self-identified purposes of JTRIG are two tactics: (1) to inject all sorts of false material onto the internet in order to destroy the reputation of its targets; and (2) to use social sciences and other techniques to manipulate online discourse and activism to generate outcomes it considers desirable. To see how extremist these programs are, just consider the tactics they boast of using to achieve those ends: “false flag operations” (posting material to the internet and falsely attributing it to someone else), fake victim blog posts (pretending to be a victim of the individual whose reputation they want to destroy), and posting “negative information” on various forums. 
  • Critically, the “targets” for this deceit and reputation-destruction extend far beyond the customary roster of normal spycraft: hostile nations and their leaders, military agencies, and intelligence services. In fact, the discussion of many of these techniques occurs in the context of using them in lieu of “traditional law enforcement” against people suspected (but not charged or convicted) of ordinary crimes or, more broadly still, “hacktivism”, meaning those who use online protest activity for political ends. The title page of one of these documents reflects the agency’s own awareness that it is “pushing the boundaries” by using “cyber offensive” techniques against people who have nothing to do with terrorism or national security threats, and indeed, centrally involves law enforcement agents who investigate ordinary crimes:
    • John Lemke
      John Lemke on 25 Feb 14
       
      Wow, how is not changing pictures and creating false victims not identity theft and conspiracy?  
  • ...4 more annotations...
  • it is not difficult to see how dangerous it is to have secret government agencies being able to target any individuals they want – who have never been charged with, let alone convicted of, any crimes – with these sorts of online, deception-based tactics of reputation destruction and disruption.
    • John Lemke
      John Lemke on 25 Feb 14
       
      Not only are you now guilty until proven innocent but, if you are guilty enough, we shall create a situation so that you are.
  • Government plans to monitor and influence internet communications, and covertly infiltrate online communities in order to sow dissension and disseminate false information, have long been the source of speculation. Harvard Law Professor Cass Sunstein, a close Obama adviser and the White House’s former head of the Office of Information and Regulatory Affairs, wrote a controversial paper in 2008 proposing that the US government employ teams of covert agents and pseudo-”independent” advocates to “cognitively infiltrate” online groups and websites, as well as other activist groups. Sunstein also proposed sending covert agents into “chat rooms, online social networks, or even real-space groups” which spread what he views as false and damaging “conspiracy theories” about the government. Ironically, the very same Sunstein was recently named by Obama to serve as a member of the NSA review panel created by the White House, one that – while disputing key NSA claims – proceeded to propose many cosmetic reforms to the agency’s powers (most of which were ignored by the President who appointed them).
    • John Lemke
      John Lemke on 25 Feb 14
       
      So one of the guys who advocates this and approves of it, gets to be on the NSA review committee?  Isn't that like Ted Kennedy on the Ethics Review Committee or the Warren Commission?
  • Whatever else is true, no government should be able to engage in these tactics: what justification is there for having government agencies target people – who have been charged with no crime – for reputation-destruction, infiltrate online political communities, and develop techniques for manipulating online discourse? But to allow those actions with no public knowledge or accountability is particularly unjustifiable.
John Lemke

Video: Sun has 'flipped upside down' as new magnetic cycle begins - Science - News - Th... - 0 views

www.independent.co.uk/...etic-cycle-begins-9029378.html

2013 tech sun cycle science news video solar magnetic astronomy IN-Pub

shared by John Lemke on 30 Dec 13 - No Cached
  • The sun has "flipped upside down", with its north and south poles reversed to reach the midpoint of Solar Cycle 24, Nasa has said. Now, the magnetic fields will once again started moving in opposite directions to begin the completion of the 22 year long process which will culminate in the poles switching once again."A reversal of the sun's magnetic field is, literally, a big event," said Nasa’s Dr. Tony Phillips."The domain of the sun's magnetic influence (also known as the 'heliosphere') extends billions of kilometers beyond Pluto. Changes to the field's polarity ripple all the way out to the Voyager probes, on the doorstep of interstellar space."
  • John Lemke on 30 Dec 13
     
    It is topics like these that Lumpy and Brian often discuss on Tech Net News and Opinion which airs Monday's from 8-10 PM EST. Feel free to join us in geekshed.net IRC in #indienation. We encourage listener participation and having listeners on the air.
John Lemke

Hubble spots water spurting from Europa : Nature News & Comment - 0 views

www.nature.com/...r-spurting-from-europa-1.14357

2013 hubble news ET-life space spaceexploration extraterrestialLife

shared by John Lemke on 13 Dec 13 - No Cached
  • “If this pans out, it’s potentially the biggest news in the outer Solar System since the discovery of the Enceladus plume,” says Robert Pappalardo, a planetary scientist at the Jet Propulsion Laboratory in Pasadena, California, who was not involved in the research.
  • Roth’s team spotted the plumes when Europa was at its greatest distance from Jupiter. Changing stresses in the moon's crust, caused by tidal forces between the moon and planet, may explain why the researchers didn't see any plumes in the November observation when Europa and Jupiter were close. “Maybe Europa is just burping once in a while,” Pappalardo says.
John Lemke

Ask Ethan #55: Could a Manned Mission to Mars Abort? - Starts With A Bang! - Medium - 0 views

medium.com/...ion-to-mars-abort-d3995c855466

2014 exploration space spaceflight spacecraft spaceexploration spacetravel mars 2014.09.29-TNN

shared by John Lemke on 28 Sep 14 - No Cached
  • No humans have ever traveled farther away from Earth than the crew of Apollo 13 did, as they circled around the far side of the Moon close to lunar apogee, achieving a maximum distance of 400,171 km above the Earth’s surface on April 15, 1970. But when the first manned spaceflight to another planet occurs, that record will be shattered, and in a mere matter of days.
  • The way we currently reach other worlds with our present technology — or any remote location in the Universe — involves three distinct stages:The initial launch, which overcomes the Earth’s gravitational binding energy and starts our spacecraft off with a reasonably large (on the order of a few km/s) velocity relative to the Earth’s motion around the Sun.On-board course corrections, where very small amounts of thrust accelerate the spacecraft to its optimal trajectory.And gravity assists, where we use the gravitational properties of other planets in orbit around the Sun to change our spacecraft’s velocity, either increasing or decreasing its speed with every encounter.It’s through the combination of these three actions that we can reach any location — if we’re patient and we plan properly — with only our current rocket technology.
    • John Lemke
      John Lemke on 28 Sep 14
       
      How we can do it now, if we plan right.
  • The initial launch is a very hard part right now. It takes a tremendous amount of resources to overcome the Earth’s gravitational pull, to accelerate a significant amount of mass to the Earth’s escape velocity, and to raise it all the way up through the Earth’s atmosphere.
  • ...2 more annotations...
  • The most optimal one for a one-way trip to Mars, for those of you wondering, that minimizes both flight time and the amount of energy needed, involves simply timing your launch right.
    • John Lemke
      John Lemke on 28 Sep 14
       
      The cheapest and the fastest. The one way ticket option.
  • When a planet orbits the Sun, there’s a lot of energy in that system, both gravitational energy and kinetic energy. When a third body interacts gravitationally as well, it can either gain some energy by stealing it from the Sun-planet system, or it can lose energy by giving it up to the Sun-planet system. The amount of energy performed by the spacecraft’s thrusters is often only 20% (or less) of the energy either gained-or-lost from the interaction!
    • John Lemke
      John Lemke on 28 Sep 14
       
      The transfer of energy involved to change speeds.
John Lemke

Mars Orbiter Mission looks to sniff methane on comet - The Times of India - 0 views

timesofindia.indiatimes.com/...43476830.cms

Mars exploration space spaceflight spacecraft spaceexploration spacetravel 2014 2014.09.29-TNN India

shared by John Lemke on 28 Sep 14 - No Cached
  • BANGALORE: India's Mars Orbiter Mission (MOM) will look to have a date with the Siding Spring comet, which will pass very close to the Red Planet on October 19, Isro chairman K Radhakrishnan said on Thursday.
  • Asked how Nasa could do reprogramming on its MAVEN spacecraft to study the comet, Radhakrishnan said: "MAVEN reached there before us and has completed the orbit around the Red Planet. I have received mails about what they are going to do, and we know what we should. But MOM has to ascertain its position. It will be known in 2-3 days."
John Lemke

Earth's Impending Magnetic Flip - Scientific American - 0 views

www.scientificamerican.com/...arth-s-impending-magnetic-flip

indienationnews 2014.09.29-TNN 2014 geology physics MagnetiField science

shared by John Lemke on 25 Sep 14 - No Cached
  • The European Space Agency's satellite array dubbed “Swarm” revealed that Earth's magnetic field is weakening 10 times faster than previously thought, decreasing in strength about 5 percent a decade rather than 5 percent a century. A weakening magnetic field may indicate an impending reversal, which scientists predict could begin in less than 2,000 years. Magnetic north itself appears to be moving toward Siberia.
  • There is a good chance the weakening magnetic field that the Swarm satellites observed will not lead to a full flip. Indeed, Glatzmaier notes that there have been several false starts over geologic history. The intensity of Earth's magnetic field, though waning, now equals its average strength over millions of years. The field would need to weaken at its current rate for around 2,000 years before the reversal process actually begins.
  • It is hard to know how a geomagnetic reversal would impact our modern-day civilization, but it is unlikely to spell disaster. Although the field provides essential protection from the sun's powerful radiation, fossil records reveal no mass extinctions or increased radiation damage during past reversals. A flip could possibly interfere with power grids and communications systems—external magnetic field disturbances have burned out transformers and caused blackouts in the past. But Glatzmaier is not worried. “A thousand years from now we probably won't have power lines,” he says. “We'll have advanced so much that we'll almost certainly have the technology to cope with a magnetic-field reversal.”
    • John Lemke
      John Lemke on 25 Sep 14
       
      Likely not the end of the world for past reversals have not show evidence of mass extinctions.
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