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sandrasuse

@sandrasuse-blog

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There’s an interactive ‘murder map’ that pinpoints all the homicide locations in London since 1811. Each pin is colored to indicate the method of killing, and clicking on a pin also reveals the victim’s profile and links you to their case details. Source

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4-your-brain

Why Do Compressed Air Cans Get Cold? | minutephysics

This video is about compressed air cans (aka gas dusters) and why they get cold when you spray them. They cool off because the refrigerant inside (1,1-difluoroethane) is under pressure and boils off when the pressure lowers, and energy lost to the latent heat of vaporization cools the can a lot.

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Don´t forget to activate notifications (click here to see how) !

This is the fifth video in my Amazon Gift Card contest.

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mitarbeiter

Durch die glühende Sahara die Karawane nach Süden zieht. Die schwer beladenen Kamele im dichten Sandsturm man kaum noch sieht. Doch ein kleiner Junge kennt sich hier aus. xxxxxxx, der führt sie nach Haus.

Na, wer führt sie nach Haus? (ohne Googeln!)

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The beautiful colors of a soap film reflect its variations in thickness. As a film drains and evaporates, it turns to shades of gray and black as it gets thinner. More than fifty years ago, one scientist proposed a free-energy-based explanation for how such ultrathin films might evolve. But it’s taken another half a century for experimental techniques to reach a point where the thickness of these ultrathin films could be measured well enough to test that theory. The new mechanism, known as spinodal stratification, has been observed in both vertical films (top) and foam (bottom) but has so far not been observed in any horizontal configuration, suggesting that buoyant effects are likely important, too. (Image and research credit: S. Yilixiati et al.; submitted by James S.)

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4-your-brain

Hey guys I´m back. And I got you a contest:

We recently passed 2000 followers  🎉

Therefore you get the chance to win a 50€ Amazon Gift Card !

Here´s what you have to do:  👇🏻

1. Like and reblog this post.

2. Reblog the next 5 posts that will follow up on this one.

3. Type your guessed follower number for this blog under the 5th post after this one.

The closest guess will win. In case of multiple closest guesses I will determine the winner by lot.

The last (5th) post will be uploaded on 3rd of April, 11pm Central European Time.  ⏱

You have to guess the exact number of followers this blog will have at this time.

Then 24 hours later this contest ends and I will announce the winner a few minutes later.

Good luck  👍 (PS: Activate notifications to get yourself an advantage !)

Disclaimer: The shown picture is just for illustration purposes.

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4-your-brain

Manipulating the YouTube Algorithm - (Part 1/3) | SmarterEveryDay

My first video of a 3 part series on “coordinated inauthentic behavior”. Thanks to ExpressVPN for sponsoring this series.Renée Diresta is a Mozilla Fellow in Media, Misinformation, and Trust, where she researches unintended consequences of algorithms and works towards helping machines make better decisions. Renee also writes about disinformation and the changing face of information war — check out her essay “The Digital Maginot Line” (https://www.ribbonfarm.com/2018/11/28…) — and is a contributor to Wired Ideas (https://www.wired.com/author/renee-di…).

For more follow | 4 your brain |

Don´t forget to activate notifications (click here to see how) !

This is the fourth video in my Amazon Gift Card contest.

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