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Current Topic: Science

Galactic Center of Milky Way Rises over Texas
Topic: Science 12:08 pm EDT, May 25, 2009

Time lapse video of night sky as it passes over the 2009 Texas Star Party in Fort Davis, Texas.

The galactic core of Milky Way is brightly displayed.

Images taken with 15mm fisheye lens.

From the archive:

Oh! I feel it. I feel the cosmos!

Galactic Center of Milky Way Rises over Texas


BBC NEWS | Science & Environment | Gravity satellite feels the force
Topic: Science 7:39 pm EDT, Apr  6, 2009

Europe's innovative Goce satellite has switched on the super-sensitive instrument that will make ultra-fine measurements of Earth's gravity.

BBC NEWS | Science & Environment | Gravity satellite feels the force


Sleep May Prepare You for Tomorrow by Dissolving Today’s Neural Connections | 80beats | Discover Magazine
Topic: Science 11:45 am EDT, Apr  6, 2009

Sleep may be a way to sweep out the brain and get it ready for a new day of building connections between neurons, according to two new studies of fruit flies. The studies support the controversial theory that sleep weakens or entirely dissolves some synapses, the connections between brain cells. “We assume that if this is happening, it is a major function, if not the most important function, of sleep” [Science News], says Chiara Cirelli, a coauthor of the first study, published in Science.

Sleep May Prepare You for Tomorrow by Dissolving Today’s Neural Connections | 80beats | Discover Magazine


BBC NEWS | Health | How scratching can stop an itch
Topic: Science 11:33 am EDT, Apr  6, 2009

Scientists have shown scratching helps relieve an itch as it blocks activity in some spinal cord nerve cells that transmit the sensation to the brain.

BBC NEWS | Health | How scratching can stop an itch


My Post Concussive Syndrome Speech Disorder: A Malfunctioning Word Queue
Topic: Science 9:57 pm EST, Feb 12, 2009

Last Monday I was in a car accident and suffered a severe concussion that didn't manifest symptoms for 24 hours (weird, I know). Since then I've periodically lost the ability to speak. I go from normal speech to slurring, to mute. Its being looked at, but the reason I made this thread is because... I realized that it is exactly like TCP packets overloading the sliding window, or a web server with limited resources getting too many requests: overload the throughput on the queue and everything after that is lost.

So I made a diagram tonight when I had a bad episode to prove I can still think.

When things are bad, and I fill the shrunken word queue, I can't speak until it self empties. Full empty seems to take between 30 seconds and one minute, and seems to happen at a linear rate. However, if I limit myself to the actual word queue/minute throughput, I can speak continuously for a longer period. Normal speed speech very quickly fills the queue though.

Strange, but accurate. If my mind is a Turing Machine, my word queue is malfunctioning and is too small to hold enough words to speak normally.

My Post Concussive Syndrome Speech Disorder: A Malfunctioning Word Queue


How Google Is Making Us Smarter
Topic: Science 8:54 am EST, Jan 27, 2009

Carl Zimmer, in Discover Magazine:

The mind appears to be adapted for reaching out and making the world, including our machines, an extension of itself.

The mind is a store of knowledge you can dip into, an external repository of information.

The US Navy has developed a flight suit for helicopter pilots that delivers little puffs of air on the side of the pilot’s body as his helicopter tilts in that direction. The pilot responds to the puffs by tilting away from them, and the suit passes those signals on to the helicopter’s steering controls. Pilots who train with this system can learn to fly blindfolded or to carry out complex maneuvers, such as holding the helicopter in a stationary hover. The helicopter becomes, in effect, part of the pilot’s body, linked back to his or her mind.

The extended mind theory doesn’t just change the way we think about the mind. It also changes how we judge what’s good and bad about today’s mind-altering technologies.

There’s no point in trying to hack apart the connections between the inside and the outside of the mind. Instead we ought to focus on managing and improving those connections.

From the archive, Marshall McLuhan:

“Once we have surrendered our senses and nervous systems to the private manipulation of those who would try to benefit by taking a lease on our eyes and ears and nerves, we don’t really have any rights left.”

McLuhan again:

In operating on society with a new technology, it is not the incised area that is most affected. The area of impact and incision is numb. It is the entire system that is changed.

Jeff Leeds, in conversation with Sasha Frere-Jones:

I think the message and the medium are much more intertwined than they were ten years ago.

WSJ, in 2007:

If indeed the Web and microprocessors have brought us to the doorstep of a Marshall McLuhan-meets-Milton Friedman world of individual choice as a personal ideology, then record companies, newspapers and old TV networks aren't the only empires at risk.

Howard Rheingold:

I discovered when I talked to teachers in my local schools that "critical thinking" is regarded by some as a plot to incite children to question authority.

Eric McLuhan:

The new media won't fit into the classroom. It already surrounds it. Perhaps that is the challenge of counterculture. The problem is to know what questions to ask.

How Google Is Making Us Smarter


BBC NEWS | Science & Environment | Test reveals dogs' jealous side
Topic: Science 1:19 pm EST, Dec  8, 2008

Scientists in Austria say they have found a basic form of jealousy in dogs.

BBC NEWS | Science & Environment | Test reveals dogs' jealous side


In Defense of Teasing - NYTimes.com
Topic: Science 1:02 pm EST, Dec  7, 2008

A FEW YEARS AGO my daughters and I were searching for sand crabs on a white-sand beach near Monterey. A group of sixth graders descended on us, clad in the blue trousers and pressed white shirts of their parochial school. Once lost in the sounds of the surf, away from their teacher’s gaze, they called one another by nicknames and mocked the way one laughed, another walked. Noogies and rib pokes, headlocks and bear hugs caught the unsuspecting off guard. Two boys dangled a girl over the waves. Three girls tugged a boy’s sagging pants down. Dog piles broke out. In a surprise attack, one girl nearly dropped a dead crab down a boy’s pants.

the anatomy of teasing by a professor of psychology at the University of California, Berkeley.

In Defense of Teasing - NYTimes.com


A Whisper, Perhaps, From the Universe’s Dark Side - NYTimes.com
Topic: Science 12:39 pm EST, Nov 25, 2008

Is this the dark side speaking?

A concatenation of puzzling results from an alphabet soup of satellites and experiments has led a growing number of astronomers and physicists to suspect that they are getting signals from a shadow universe of dark matter that makes up a quarter of creation but has eluded direct detection until now.

Maybe.

A Whisper, Perhaps, From the Universe’s Dark Side - NYTimes.com


Messenger Photos of Mercury
Topic: Science 12:47 pm EDT, Oct  7, 2008

Messenger Photos of Mercury


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