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All things Science related. λν = c

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Old 05-15-2013, 03:16 PM   #256
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Re: All things Science related. λν = c

Ruins of Lost City May Lurk Deep in Honduras Rain Forest

New images of a possible lost city hidden by Honduran rain forests show what might be the building foundations and mounds of Ciudad Blanca, a never-confirmed legendary metropolis.

Archaeologists and filmmakers Steven Elkins and Bill Benenson announced last year that they had discovered possible ruins in Honduras' Mosquitia region using lidar, or light detection and ranging. Essentially, slow-flying planes send constant laser pulses groundward as they pass over the rain forest, imaging the topography below the thick forest canopy.

What the archaeologists found — and what the new images reveal — are features that could be ancient ruins, including canals, roads, building foundations and terraced agricultural land. The University of Houston archaeologists who led the expedition will reveal their new images and discuss them today (May 15) at the American Geophysical Union Meeting of the Americas in Cancun.

Ciudad Blanca, or "The White City," has been a legend since the days of the conquistadors, who believed the Mosquitia rain forests hid a metropolis full of gold and searched for it in the 1500s. Throughout the 1900s, archaeologists documented mounds and other signs of ancient civilization in the Mosquitias region, but the shining golden city of legend has yet to make an appearance.

Whether or not the lidar-weilding archaeologists have discovered the same city the conquistadors were looking for is up for debate, but the images suggest some signs of an ancient lost civilization.

"We use lidar to pinpoint where human structures are by looking for linear shapes and rectangles," Colorado State University research Stephen Leisz, who uses lidar in Mexico, said in a statement. "Nature doesn't work in straight lines."

The archaeologists plan to get their feet on the ground this year to investigate the mysterious features seen in the new images.

This lidar is bad ass
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Old 05-15-2013, 03:20 PM   #257
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Re: All things Science related. λν = c

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Stephen Leisz, who uses lidar in Mexico, said in a statement. "Nature doesn't work in straight lines."
Mr. Leisz's pantaloons have recently spontaneously combusted.

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Old 05-16-2013, 09:13 AM   #258
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Re: All things Science related. λν = c

Man I hate to egg RR on,

But this is one kickass computer:

Google Buys a Quantum Computer - NYTimes.com
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Old 05-16-2013, 10:14 AM   #259
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Re: All things Science related. λν = c

Timelapse: Landsat Satellite Images of Climate Change, via Google Earth Engine


Show's time lapses of the world changing over the course of 3 decades.
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Old 05-17-2013, 07:30 PM   #260
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If you follow Reddit by any measure, you know who Col. Chris Hadfield is and why he's such a popular person.


I found this interesting about a astronaut's lifestyle upon returning to earth.

Canadian astronaut wrestles with gravity after spaceflight


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"For now, I'm still trying to stand up straight. I have to sit down in the shower so I don't faint and fall down, and I don't have calluses on the bottom of my feet yet, so I'm walking around like I walked on hot coals," he said.

It usually takes about three weeks until a returning astronaut can return to driving, according to the Canadian Space Agency.

"We're sort of tottering around like two old duffers in an old folks home," Hadfield said, referring to his crew mate Marshburn.

Hadfield's orbital odyssey ended with a parachute descent of their Soyuz space capsule onto the steppes of Kazakhstan.

"We hit the Earth just like a car crash, like we expected," Hadfield said. "There was enough wind so that we rolled up on our side. I was the guy hanging from the ceiling."
Did not know it was quite like that.
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Old 06-03-2013, 11:42 PM   #261
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Re: All things Science related. λν = c

Nerdy, yet kind of cool

Galaxy in Throes of Death Spied for 1st Time
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Old 06-06-2013, 01:37 PM   #262
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Re: All things Science related. λν = c

Perspective. Point a telescope at a area they thought was void, came back with billions of galaxies they never knew existed.






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Pretty amazing stuff.
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Old 06-11-2013, 05:49 PM   #263
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Re: All things Science related. λν = c

"If you want to find the secrets of the Universe, think in terms of energy, frequency and vibration."

N Tesla

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Old 06-12-2013, 05:20 PM   #264
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Re: All things Science related. λν = c

New Human Cornea Layer Discovered


Figured we knew everything about the human body there was to know. Guess not.
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Old 06-12-2013, 05:58 PM   #265
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Re: All things Science related. λν = c

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We were looking at it the whole time and didn't see it!
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Old 06-13-2013, 04:13 PM   #266
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Re: All things Science related. λν = c

Toy helicopter guided by power of thought

A model helicopter can now be steered through an obstacle course by thought alone, researchers report today in the Journal of Neural Engineering. The aircraft's pilot operates it remotely using a cap of electrodes to detect brainwaves that are translated into commands.1

Ultimately, the developers of the mind-controlled copter hope to adapt their technology for directing artificial robotic limbs and other medical devices. Today's best neural prosthetics require electrodes to be implanted in the body and are thus reserved for quadriplegics and others with disabilities severe enough justify invasive surgery.
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Old 06-20-2013, 03:15 PM   #267
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Re: All things Science related. λν = c

Animal-human embryo test clears first hurdle

Proposed experiments with animal-human embryos cleared the first regulatory hurdle Tuesday as Japanese scientists seek permission for tests that could see human organs produced inside the growing body of an animal.

Researchers want to introduce a human stem cell into an animal embryo, to create a so-called chimeric embryo, which they can implant into an animal’s womb.

The hope is that this stem cell will grow into a fully-functioning human organ — a kidney or a liver, for example — as the animal matures.

This would mean when the creature is fully grown, the organ could be harvested from the animal and used for transplanting into a person in need.


I disagree with using animals, we have enough fat people to use as organ farms.
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Old 06-21-2013, 10:03 AM   #268
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Re: All things Science related. λν = c

Wormhole entanglement solves black hole paradox - space - 20 June 2013 - New Scientist

WORMHOLES – tunnels through space-time that connect black holes – may be a consequence of the bizarre quantum property called entanglement. The redefinition would resolve a pressing paradox that you might be burned instead of crushed, should you fall into a black hole.

Knowing which hazard sign to erect outside a black hole isn't exactly an everyday problem. For theoretical physicists, though, it reveals an inconsistency between quantum mechanics and general relativity. Solving this conundrum might lead to the sought-after quantum theory of gravity.
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Old 06-21-2013, 11:21 AM   #269
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Re: All things Science related. λν = c

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Wormhole entanglement solves black hole paradox - space - 20 June 2013 - New Scientist

WORMHOLES – tunnels through space-time that connect black holes – may be a consequence of the bizarre quantum property called entanglement. The redefinition would resolve a pressing paradox that you might be burned instead of crushed, should you fall into a black hole.

Knowing which hazard sign to erect outside a black hole isn't exactly an everyday problem. For theoretical physicists, though, it reveals an inconsistency between quantum mechanics and general relativity. Solving this conundrum might lead to the sought-after quantum theory of gravity.
Sheldon will get his Nobel prize for this! He figured it out while eating spaghetti. The sauce and noodles revealed it to him.
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Old 06-24-2013, 03:45 PM   #270
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Re: All things Science related. λν = c

Science, sort of

More like philosophy, but a great read:-

Skeptics, believers. Lay down your shotguns and knives. Take a moment to bandage and reload, and I will explain to you why an incorporeal garage dragon means that you should not be fighting. As much.

This strange beast, and its fantastical properties, are described in The Demon Haunted World, by Carl Sagan.

“A fire-breathing dragon lives in my garage,” he begins, “…Surely you’d want to check it out, see for yourself.”

You do, but you can’t. The dragon is invisible. You could spread flour on the floor to capture its footprints, but, alas, it also floats. You offer to fetch your infrared camera, but, sadly, its fire is heatless. Perhaps a can of spray paint, then, to make the dragon visible? Oh, right. Incorporeal.

You see where he’s going: “Claims that cannot be tested, assertions immune to disproof are veridically worthless,” he writes, “the only sensible approach is to tentatively reject the dragon hypothesis, [but] to be open to future data…”

The garage dragon is a straightforward parable about the scientific value of a non-falsifiable hypothesis, but it contains an important nuance. While rejecting the hypothesis, Sagan still leaves open the possibility that, after all, the dragon might still be real. “Immune to disproof,” after all, isn’t the same as “wrong.”

This may seem like splitting hairs until you consider that within the narrow philosophical gap between “immune to disproof” and “wrong” there lies the entire universe of mystical experience, the wellspring of religion and spirituality. The dragon we’re discussing here is not a cute, intellectual abstraction; it’s a powerful, visionary experience you had of the divine manifesting to you in the form of a winged serpent—and so what if it didn’t leave footprints? Yes, with all that supernatural stuffed into such a tiny crack, it seems that we ought to take a closer look at our epistemology.

In scientific positivism, objectivity is the measure of truth. The observation must be shared, the experiment replicated. To the extent that everyone can achieve the same result, witness the same phenomenon, the scales of evidence tilt that way; but if objectivity is the measure of truth, then, by extension, it is also what delineates the scope of inquiry.

Where materialists overreach is in equating the scope of scientific inquiry with the scope of reality; that is to say, they confuse the map for the territory. The objectively observable universe may well represent the whole extent of reality, but if it were not, then how would we know? For example, what are the laws which decide that a biochemical mechanism called the brain should be inhabited by an awareness capable of sensing the redness of red and the sourness of sour, but that an apple tree capable of blossoming in the spring and bending itself in the direction of the sun should not likewise experience the light and temperature that stimulate its own behavior? Or does it, perhaps? What of a thermostat, the operating system of a factory arm, or the neural network studying your browsing behavior? What is the deciding factor?

We lack an outside frame of reference that permits us to answer questions like these. We are able to gather sensory information from the world, but we can’t “go meta” and find out whether your chocolate tastes like my vanilla. We are constrained in what we can know, given the sort of beings that we are. How constrained, you ask? Well, that’s one of the things that we are constrained from knowing. The material model might not be far off, but it’s also possible that the qualitative universe—the “inner-space,” if you will—is actually a lot bigger, and a lot stranger, than we could ever imagine. You can’t hear it, but the lawn you just mowed—is screaming!

Continued at this link

Last edited by RedskinRat; 06-24-2013 at 04:10 PM.
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