Category Archives: Science

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How Deja Vu occurs? explains this animated TED Ed Lesson from Michael Molina

Deja Vu

Most of us would’ve experienced Deja Vu without knowing What is Deja Vu and How Deja Vu occurs. Literally, ‘déjà vu’ in French means, ‘Already seen’.

Deja Vu is the phenomenon having the strong sensation that an event or experience currently being experienced has been experienced in the past, whether it has actually happened or not.

Deja Vu

Though there is no perfect reasoning for How Deja Vu occurs, This TED Ed video explains the most accepted 3 Theories that explain Deja Vu.This TED Education video ‘What is déjà vu?’ by Michael Molina along with the clear animation by Josh Harris, tries to explain the phenomenon of deja vu.

The description of the video explains,

You might have felt it — the feeling that you’ve experienced something before, but, in reality, the experience is brand new. There are over 40 theories that attempt to explain the phenomenon of déjà vu. Michael Molina explains how neuroimaging and cognitive psychology have narrowed down the theories that could explain that feeling you’re having…again.

Got it? By the way, Don’t you remember that you’ve previously read the same article here? ;) <déjà vu>

[Source TED Ed]

Scientist controls opponent’s hand using mind in first brain-to-brain communication via internet

Rao and Stocco B2B communication

Just last week we were talking about doing a Professor X and now Scientists have achieved a major feat that could be the first step of human brain-to-brain control.

Researchers at University of WashingtonRajesh Rao and Andrea Stocco have successfully created the first internet-based brain-to-brain control system through which Rao controlled Stocco’s hand to trigger a key in the keyboard, just by using his mind (thoughts).

Rao and Stocco B2B communication

University of Washington researcher Rajesh Rao, left, plays a computer game with his mind. Across campus, researcher Andrea Stocco, right, wears a magnetic stimulation coil over the left motor cortex region of his brain. Stocco’s right index finger moved involuntarily to hit the “fire” button as part of the first human brain-to-brain interface demonstration.
Image Credit: University of Washington

To explain what exactly happened technically, University of Washington PR says,

“Using electrical brain recordings and a form of magnetic stimulation, Rajesh Rao sent a brain signal to Andrea Stocco on the other side of the UW campus, causing Stocco’s finger to move on a keyboard.”

While Brain-to-Brain communication has previously been achieved between two rats and even between a human and a rat, this is the first time brain-to-brain interfacing has been achieved between two human beings and their channel is just Internet (Skype).

Here’s the workflow that explains How Brain-to-Brain communication was established between Rao and Stocco.

Brain-to-Brain communication how it works

The team wants to expand this one-way communication project to two-way communication ultimately making it possible to transfer data from one brain to another directly without need to read or memorize the content, thus revolutionizing the education. Their next step is towards transferring the knowledge of more complex motor activities like someone on the ground helping a flight attendant or passenger to land an airplane if the pilot becomes incapacitated.

Well, that’s really amazing and it sounds more like the Training that happens in the movie The Matrix – just Chip to Brain – no books and no classrooms. Are we heading there?

Here’s what Techblogs are buzzing about Elon Musk’s Hyperloop

hyperloop-design

Last Monday (Aug 12, 2013), Elon Musk unveiled his 5th form transportation plan – Hyperloop. One thing everyone accepted is, Hyperloop is completely imaginary and requires a lot of power and effort to make it real.

hyperloop-design

Here’s what Techblogs are buzzing about Elon Musk’s Hyperloop:

BusinessWeekRevealed: Elon Musk Explains the Hyperloop, the Solar-Powered High-Speed Future of Inter-City Transportation

TechcrunchElon Musk’s Hyperloop Explained: A Technically Possible Sci-Fi Dream He’s Too Busy To Work On Right Now

Telegraph - The Hyperloop: flawed fantasy or achievable challenge

WiredThis Is the Hyperloop, Elon Musk’s Fantastical Vision of Mass Transit

ForbesElon Musk’s Hyperloop: Why He Dreams So Big

and if you are technically so strong, check out this 50-page paper on Hyperloop Alpha.

Ultimately the $6B Hyperloop looks like a promising transport system that can serve the fast needs of fast commuters but really hard to build and remember that it’s not so hard if this Tony Stark, who built SpaceX and Tesla Motors, is ready to develop Hyperloop himself.

How much is your weight in other planets?

Image Courtesy: Wikimedia Commons

Back in high school we’ve read something about Mass and Weight and also heard that our weight wouldn’t be the same in other planets as in The Earth, our home.

So have you ever thought how much would be our weight in other planets? If you are nerd enough to think so here is a website which is geek enough to do the math and give us our weight in each Heavenly body (but not in all).

Image Courtesy: Wikimedia Commons

Image Courtesy: Wikimedia Commons

Just enable Javascript in our browser and Click here to enter your weight in our planet, The Earth and click calculate to know how much is your weight in other planets.

Apart from just providing the weight, the website also educates us with the same high school stuff explaining the difference between mass and weight – the relationship between Gravity and Mass.

Source: http://www.exploratorium.edu/ronh/weight/

 

 

Scientists created False memory in Mice, Inception in Human possible?

Mice False Memory

We always try to remember what happened in our past – sometimes those are sweet and sometimes those are bad , nevertheless those stay in our mind and they are memories which are usually formed when something happens in real but here is a new invention that implants false memories in the mind of mice.

Scientists at the Riken–MIT Center for Neural Circuit Genetics have created false memories in the mind of mice and also explain how this could work in humans.

Mice False Memory

Image Courtesy: Telegraph.co.uk

The scientists Steve Ramirez, Xu Liu and other scientists, led by Susumu Tonegawa, have caused mice to remember an electric shock in one location but actually the electric shock was delivered to them in a different location.

According to the journal Nature published last year, Scientists have identified the Physical traces of specific memory (Engrams) in a group of neurons when the actual memory was recorded (because of the event) and activated the same neurons later in a different situation stimulating the same event in memory.

Since in both Mice and Humans, Memories are formed in an area of the hippocampus called the dentate gyrus, This could be possible in Humans too and evolution of this could take us to somewhere like Hollywood blockbuster Inception where a false thought or false idea which never happened can be implanted in our brain memory.

[Source NYTimes Image Courtesy: Telegraph.co.uk]