Sich Wie Die Axt Im Wald Benehmen

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That’s Electrooculography!

The eye is a basically a dipole ( a separation of electric charges )

It was observed by Reymond in 1848 that the cornea of the eye is electrically positive relative to the back of the eye.This potential was surprisingly not dependent on the amount of light falling on the eye.

                The cornea is the transparent front part of the eye

Dipoles and Eye Tracking

This means that as the eye moves from side to side, the dipole moves as well. To capture the movement of the dipole, one places two electrodes on both sides of the eye. ( like the one placed on this guy )

If the eye moves from the center position to the right, one of the electrodes becomes slightly positive and the other negative. This leads to a spike in the positive direction.

                                                  Source

And if the eye moves from the center position to the left, the polarity of the electrodes reverses. This leads to a spike in the negative direction.

That’s about it. That’s EOG for you all. I hope you guys enjoyed this post.

Have a great day!

Sources and Extras:

More about EOG

Gif source : The backyard brains

9 Squares 8

Top: David Stanfield, Skip Hursh, Jamie Muntean Middle: David Urbinati, Al Boardman, Jake Williams Bottom: Riccardo Albertini, Bee Grandinetti, Qais Sarhan

About the project

WORKING ON CHRISTMAS: While the beautiful Earth looms in the background, astronaut Steven Smith stands on the mobile foot restraint at the end of the remote manipulator system as he makes repairs to the Hubble Space Telescope, Dec. 24-25, 1999. (NASA)

I visited Nantes’ Natural History Museum.

A little more help for focusing-on beginers: In terms of cognitive demand, it is more difficult to focusing on your ongoing task when you have a long to-do list than when only a few more tasks left. So I recommend you to try making schedule with less than 5 tasks a day. It will be much easier to organize work of different fields or of different shades of cognitive demand.

How focusing (aka. not multi-tasking) changed my study life

I had heard it occasionally - that multi-tasking was actually not good for the quality of whatever task I was doing. It made sense, but I loved mult-tasking so much. It gave me the illusion of productivity. 

Until I actually tried focusing for a while, did I realise how much I was actually losing by multi-tasking -  educationally and emotionally. Scrolling through tumblr during boring parts of a lecture seemed fine, since there were notes and it probably wouldn’t be tested in such depth anyway. Eating, while scrolling through social media, while watching a tv show, while messaging someone on facebook seemed ‘productive’. 

It turns out it was the opposite. It may seem fine, and at times it may actually be okay, but what matters is the principle. Dedicating your whole being to one task, focusing on it, produces much better results. It’s a quality over quantity thing. It also helped to calm me down emotionally - I used to always feel rushed, like there was so many things to do but not enough time to do them. Focusing on one task at a time - though it was hard at first - helped slow me down because I did everything properly, and didn’t have the feeling like I needed to go back and do things over again. 

Focusing on one thing wholly is also a form of practising mindfulness. Mindfulness ‘meditation’ isn’t something that requires you to sit down and meditate - it can be applied to our daily life. 

Since I started practising this mindful skill of focus, I’ve become much calmer, it’s been so much easier to stay on top of my work load and meet deadlines, I don’t feel rushed, I don’t feel unprepared or unorganised, and I do more quality work than when I used to multi-task.

There are times for multi-tasking and times for focus. Find the right balance and enjoy the task in front of you.

Comet ISON appears to have broken up and mostly evaporated as it travelled around the Sun, but something has made it around. It will be seen how much and in what condition. (Source of images) UPDATE: It is now confirmed that the comet is gone. Rest in pieces, ISON!

1976 … space station colonies

by x-ray delta one

Life Advice from 50 Beloved Characters in Kid’s Entertainment by AAA State of Play -source-