Science ,Technology and Knowledge Thread

[MasterHulalupa]

Watch it. just amazing !

[playstation]

New Holographic Memory Device Could Boost Electronics' Storage Capacity, Processing Power

 

The researchers' holographic system uses spin waves instead of optical beams to read data. Made up of oscillating magnetic material, spin waves are ideal for use in electronics, as they are both compatible with current devices and can operate in smaller spaces than optical beams. A laptop using spin-wave technology could potentially fit a terabyte of data into a space the size of a sugar cube.

 

 

http://www.isciencetimes.com/articles/6860/20140220/holographic-memory-device-data-storage-capacity-electronics.htm

 

[Aloy]

Standing waves FTW!It's mesmerising.

[playstation]

What is it yaar?? kinda like dancing light..ofcourse fire instead of light.

[Sackboy]

Standing waves FTW!It's mesmerising.

A cool experiment but its quite dull in the scientific side of things, its 11th grade Physics.

[Sackboy]

What is it yaar?? kinda like dancing light..ofcourse fire instead of light.

Sound travels in waves so when the wavelengths matches the length perfectly it creates a standing wave. That's basic physics taught in 11th grade.

 

What he has done is created a constant pressure system of propane in the bottom, so when the sound waves come they change the pressure, when it becomes a standing wave the Nodes/Antinodes create high pressure at certain points on the top. The constant pressure of propane makes sure that it doesn't run out of gas at high volume. In music when the beats drop, the excess volume( of sound, not the cubic volume )/intensity makes the pressure very high ( doesn't change the location of nodes or anti nodes though, just the pressure ).

 

My explanation is very badly written, try googling it.

[Aloy]

^^Yeah it's basic but still it looks SO good.I like to watch cool experiments on youtube,especially veritasium channel n Vsauce,which is not strictly a scientific channel but he makes epic videos.

 

@Hope,Sackboy has explained but u can imagine as superposition(combination) of sound waves within the pipe systems.When two waves interact,they form a new wave without completely altering each other.The new wave formed is the alzebric sum of the wave functions.So within the (closed)pipe,the reflected sound waves and the on going waves create new wave which has points of zero amplitude(nodes) and points of maximum amplitdes(antinodes).Then there is fundamental frequency n all that,search on google if you want to get into the details

[Sackboy]

Vsauce might make interesting videos ( I do watch them ) but its for the layman a bit too much, most of the stuff he tells, I already knew and most of his conclusions I had already drawn for myself.

[Aloy]

Good watch.

BTW the universe itself can be considered a single big "thing"

[KyoyaHibari]

Vsause is cool!!

[Aloy]

[AronorA]

A very interesting video

[Sackboy]

Does anyone have a link on how turbo charged engines work ? A good read up on that. Thanks

[AronorA]

http://www.howstuffworks.com/turbo.htm

[dylanjosh]

Any Neil DeGrasse Tyson fans here?

 

[playstation]

 

 

check from 2.30

[playstation]

 

:O

[Nr.Draca47]

Scientists grow whole organs inside animals for the first time

 

Researchers have had success growing organs in controlled lab environments, but repeating that feat inside a complex, messy animal body? That's more than a little tricky. However, researchers at the University of Edinburgh have managed that daunting feat for the first time. They've grown thymus glands inside lab mice by "reprogramming" the genes in tissue-regenerating cells and partnering those with support cells. The team didn't have to use scaffolds or other "cheats" to trigger the growth; it just injected the cells and waited. There weren't even any obvious limitations. The organs were full size (unlike the baby-like results from some experiments), and they were just as efficient at producing virus-fighting T-cells as the real deal.

The catch, as you might have guessed, is the scale. Mice aren't nearly as challenging to work on as humans, and the thymus is one of the simplest organs in any animal. It wouldn't be nearly as easy to give you a new heart or lung. If the University keeps making progress, though, it could shake up the transplant process. Patients wouldn't have to wait for donors whose tissues are good matches, and people who've lost much of their immune system (such as bone marrow transplant recipients) could rebuild faster. You won't get on-demand organs any time soon, but the concept isn't as far-fetched as it once was.

 

http://www.engadget.com/2014/08/25/scientists-grow-whole-organs-inside-animals/

 

Boy gets the first 3D-printed vertebra implant

3D-printed implants just got one of their biggest real-world tests to date. Peking University Third Hospital has successfully implanted the first 3D-printed vertebra in a 12-year-old boy with cancer in his spinal cord. The bone substitute is made from titanium powder like many orthopedic implants, but promises to be both safer and longer-lasting than conventional replacements. Since it's designed to mimic the shape of the child's original vertebra, it doesn't need cement or screws to stay in place; healing should go faster, too. The construct is full of small holes that let natural bone grow inside, so it should eventually become a permanent, stable part of the spine that won't need adjustments at some point down the road.

CCTV notes that the full results of this surgery won't be available for some time. He'll have to wear gear that keeps his head and neck still for the next three months, and it will likely take much longer than that before we know how well the implant holds up in real-world conditions. If everything goes smoothly, though, the surgery will be proof that 3D-printed bones are useful virtually anywhere in the body -- and, in some circumstances, might save your life.

 

http://www.engadget.com/2014/08/25/3d-printed-vertebra-implant/

 

Decades-Old Fetus Caused Woman's Side Pain

 

Doctors have removed the skeletal remains of an unborn child from its mother 36 years after the baby's conception. The 60-year-old woman, Kantabai Gunvant Thakre, began complaining about an intense pain in her abdomen about two months ago, according to The Times of India. After her doctor found a lump on the lower right side of her abdomen, the woman underwent an ultrasound to determine whether the lump appeared cancerous.nstead, the sonogram revealed a calcified mass. The doctors then turned to magnetic resonance imaging (MRI),Doctors learned that when the woman was 24 years old, she experienced an ectopic pregnancy, meaning that the fetus did not develop in the uterus as it should have, but rather elsewhere within her body.

In the woman's case, the pregnancy occurred in 1978. She sought treatment, but became fearful of an operation that would remove the fetus from her body, so she went home without having surgery, The Times of India reported.

The pain returned 36 years later.

This may be a case of lithopedion, a rare condition that roughly translates to "stone baby. The human body changes with time — for instance, in people who have their gall bladders taken out, the bowels may get caught on the internal scars from the surgery years later, he said.

In the Indian woman's case, a team of doctors performed a complex operation to remove the sac, which had settled among the woman's uterus, intestines and bladder, the Daily Mail reported. The medical team found a complete skeleton inside.

 

http://news.discovery.com/human/health/decades-old-fetus-caused-womans-side-pain-140825.htm

 

Alien-like Figure Photographed on the Surface of the Moon

 

 

Sound the alarm, the aliens are out to get us. Sure, it looks like they've made some mistakes and accidentally landed on the Moon rather than on our planet, but they are most definitely coming for us, and photographic evidence proves it.

Here's what this latest aliens-related craze is all about: not too long ago, a YouTube user who likes to call himself Worforreel (as in “Wow for real” with a spelling twist) decided to spend some time checking out images from Google Moon. Truth be told, the dark shape visible in this image – which, by the way, is provided by NASA, so you really shouldn't go around questioning its authenticity – does look a whole lot like a two-legged creature. One that even has a shadow.

“An irregularly shaped dark spot he noticed on Google Moon looks like it could be a cast shadow from a massive standing object, or figure. At first I thought maybe it was something drawn into the picture but after going to Google Moon, whatever it is or isn't… uh, is there,” Wowforreek said.

Despite the fact that this image supposedly documenting the presence of an alien-like creature on the surface of our planet's satellite was provided by NASA, the Administration is yet to make any public comments about Wowforreel's discovery, Daily Mail reports.

All things considered, it's quite likely that, when they do decide to share some thoughts on the matter at hand, astronomers will attempt to make it as clear as day that the odd figure is likely no more and no less than a shadow created by geological formations on the lunar surface.

For those who doubt that this Internet user did in fact see an alien-like figure in NASA images, here's what you have to do to become convinced: head over to Google Moon and enter 27°34’26.35″N 19°36’4.75″W as coordinates. If you're in a hurry, you can just have a look at the video below.

 

http://news.softpedia.com/news/Alien-Like-Figure-Photographed-on-the-Surface-of-the-Moon-455025.shtml

[ALPHA17]

Man has NFC chips injected into his hands to store cold Bitcoin wallet

 

For the last 10 days, Martijn Wismeijer, a Dutch entrepreneur and Bitcoin enthusiast, has lived with an NFC chip embedded in each hand. One has data that he’s constantly overwriting; he can put his contact details in simply by having another person scan his hand with an NFC-enabled phone. But the other contains the encrypted private key to his wallet.

[Razpor]

Space Net: Elon Musk confirms plans to provide global internet from 100’s of satellites

 

 

 

 

The aim is to put around 700 satellites into orbit around the globe to create coverage around the planet. In a response to one of his followers on Twitter, who asked, “I hope this is about free and unfettered internet access for the masses,” Musk responded that it would be,“unfettered certainly and at very low cost.”

 

 

 

 

 

 

http://rt.com/usa/204631-musk-space-satellites-internet/?utm_source=browser&utm_medium=aplication_chrome&utm_campaign=chrome