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How to build a bridge without cranes

“A bridge needs to be built, so time to bust out the cranes, right? Not so fast, a Chinese company has built a machine that has a creative way of setting girders into place.
The SLJ900/32, made by the Beijing Wowjoint Machinery Company, is a 580 ton, 300 foot long and 24 foot wide mega machine that looks more like a train than a crane and acts a lot like a Stretch Armstrong action figure. Instead of using a stationary or crawler crane to lift the girder of a bridge from the ground and drop it into its place, the SLJ900/32 drives the girder onto the previously placed girder, slowly extends its arms to the next support platform, pushes the girder towards the front of the machine and then lowers it into place.”



Just a robot programmed to be very good at Puzzle and Dragons

Like always I appreciate the work behind the performance.

To be able to code and make such a robot is quite a feat.


Another Rube Goldberg machine

I already talked about a Rube GoldBerg machine before.
Machines that do a very simple task in a very complex way.
While they are known and conceived to be useless, I can totally understand the appeal of building them and seeing them in action.

In this video sponsored by RedBull apparently (and a famous Youtuber/Vine Maker: Zach King), you can see a new one in which I don’t understand all the mechanisms:

How does the egg become a chicken? How does the balloon pieces become pieces of paper?
Let me know in the comments.

Does anyone remember the Google glasses?

You know the glasses invented by Google which had screens on the lenses, a camera, a microphone so the glasses would answer to orders by vocal commands.
Well, after a long period of advertising during which all websites would say it would be the future… it disappeared.


Some hints of explanation here:
“The users who didn’t realize that it was rude to wear these info-glasses must have found out soon enough when they’d hear complaints from people on the street, or worse, the ultra-expense Glass was grabbed off their face. I simply wouldn’t talk to anyone wearing Google Glass until they took them off. There was nothing confidential or personal that could be discussed with anyone wearing the device. You’d be foolish not to assume the conversation was being recorded. You may as well pull out an HD video camera and start recording when you were chatting. It was an imposition.”

And here:
“My love for gadgets makes me look and sound like one of the people whom residents of the city have come to feel oppressed by.”

My two favorite Youtubers team up during two videos.

I already presented you Derek Muller from Veritasium and Michael Stevens from Vsauce.

They produced a new video for each Youtube channel in order to promote each other channel.

So they appear in the other’s video.

I’ll let you check their work.


What is random?



What is NOT Random?





The Story of Aaron Swartz

This time, you can see an entire movie about a great injustice.





14h42 #6 : sondages et autres manipulations

Un post en français !! Parce que j’ai du contenu en français.

Dans cette émission 14h42 dérivée de la version web d’Arrêts sur Images, les journalistes reviennent sur le hack du sondage du site de France 3.

Ce qui fait tellement plaisir dans cette émission, c’est la grande connaissance du sujet par le présentateur.