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What is data compression?

As Linus explains it: is cramming a ton of info into a tiny file. The more homogeneous the data in a file is the more can it be compressed. Let’s take the example of an image. If it is only white, then the compressed file will say something like this: put a white pixel in […]

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How to Make a Matchbox Microphone

Have you ever thought of creating a microphone? For this you need a matchbox and pencil leads. Also need a battery, some wires and clips, and a pair of headphones or a speaker. This is a simple experiment that you can do at home and prove the concept of sending sounds through electrical wires to […]

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The super science music video of the day: Science STYLE – Taylor Swift Acapella Parody

The guys at ASAP Science have created an awesome Taylor Swift Acapella Parody called Science STYLE. In the hands of great communicators science does blossom in ways you would never think of. Science is great and truly amazing, but many regards it as a fringe domain, something on the far side of the World. Science, […]

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Drones and music: awesome art

Ever wanted to see drones sing? Now you can! KMel Robotics has programmed a group of hexrotors and those tiny robotic critters are making a cute music show. Drones are good for a ton of uses, but mostly people are using them for fun. And fun it is! Such ahex rotor can cost even $1100 […]

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Heart Sun’s neutrino heartbeat

The researchers based in Gran Sasso National Laboratory near L’Aquila, Italy, about 1 kilometer into the ground, were able, even in 2007 to detect some of the neutrinos from the Sun, essentially confirming that the theorized fusion reactions, which include the presence of berilium, are correct. Science20 reported at that time about Sun’s neutrino heart […]

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How Digital Light Processing (DLP) works

Ben Krasnow, from Applied Science, explains how a projector works. He is one of the most skilled guys I’ve seen on Youtube. If he does not have a tool or device, he builds it and then moves on. Digital Light Processing (DLP) works by using a ton of microlenses that reflects the light corresponding to […]

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A short history of robots

Hank Green, from SciShow, presents a short history of robots, from the industrial robots to the humanoid robots we have today. DARPA is hosting a robot contest in this summer and humanoid robots will fight each other to win the trophy the best human robots ever. Also, see some humanoid robots running:

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Science and technology helping medicine

Medicine has come a long way since the ages of homeopathy, guesses and whatnot. Right now we have a ton of science behind medicine and technology is creating a better world for us and for the doctors. In the future the doctors will be able to see the heart in 3D right there, in the […]

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Der Ziesel – offroad wheelchair

Well, you can say that it is in no way a wheelchair. It is a personal offroad tank or the sorts. Der Ziesel can go on snow or on dirt with no issues and it can reach 35 kmh on straight road. The prices range from 21 000 euros for Ziesel 63 and 24 500 […]

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How do we store digital images and how do image sensors work?

We store digital images as a series of 0s and 1s, but how we manage that info is another story altogether. Am image is a long string of pixels which starts with the header (we insert there the EXIF data), then a number of pixels, then a padding data and then the next number of […]

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