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The surface of Venus is a notorious hell-hole. If an atmospheric pressure roughly 90 times greater than Earth isn’t enough for you, try the surface temperature, which can grow to almost five times the boiling point of water. Got a nice pressure suit to keep you cool? Make sure it’s resistant to the effects of corrosive substances dissolved into the “air,” which is itself up to 95% carbon dioxide, as it is packed with the remnants of concentrated acid rain that mostly evaporates several kilometers above the surface.
Venus has violent volcanism, earthquakes, and lightning of a sort we Earthlings can hardly comprehend — little wonder that our few Venus-bound probes and satellites have all died shortly after entering the atmosphere. But what if we redefine the term “entering the atmosphere” to mean “just barely entering the atmosphere,”…Continue
The success of "Surrogates" movie, Bruce Willis character had trouble knocking machines that were not properly androids, having no own intelligence, but biomecatrônicos bodies that could be remotely controlled by humans.
Although still far from the machines of fiction, NASA is betting on its own replacement - Surrogate is the name of the new robot, which was part of a show this week at the Jet Propulsion Laboratory in Pasadena, California.
The Substitute robot entered the stage to the sound of 2001 theme song: A Space Odyssey, and took a tablet to Professor Thomas Rosenbaum, president of the California Institute of Technology. Rosenbaum took the tablet and used it to fire previously prepared commands to the robot Curiosity, on Mars.
With the material…Continue
Some of humanity's greatest technologies were inspired by animals. Now, scientists, inspired by the movement-sensing organ of a spider, have developed a wearable sensor that can detect music, recognize speech and monitor a person's heart rate.
Spiders have an organ called the "slit sensilla" near their leg joints that detects tiny vibrations in their environment. By mimicking the design of this organ, researchers produced a sensor that is extremely sensitive and flexible, and could be used in wearable electronics.…Continue
A new lighting system on Kickstarter is going to make decorating Christmas trees much easier. Called Aura, it consists of LED balls that are powered wirelessly by an electromagnetic transmitter, which fits inside or at the base of a Christmas tree.
Aura’s LEDs will last up to 20 years. They come in white or multicolored, while their ball case comes in clear, frosted or crackled. The LED’s Wi-Fi-enabled variant can be toggled, scheduled or set to a timer via a mobile app.Continue
NASA has been using 3D printers to make metal parts for several years.
But when building a spaceship, it is often necessary to manufacture parts with specifications as stringent that this can only be achieved by merging the properties of several different metals.
It is not to make an alloy, but building a part that has smooth transitions from one metal to another, or from one alloy to another.
For example, a surface of the workpiece to be resistant to high temperatures, while the other hand must have low density, or one side needs to be magnetic and the other not.
Now all this can be done more simply and faster through 3D printing.
Douglas Hofmann and his colleagues at the Jet Propulsion Laboratory developed a printing process metals…Continue
When the New Horizons spacecraft launched, Pluto was still considered a planet. Now, eight years later, the space probe is finally nearing the end of its 2.9 billion-mile journey to Pluto-and has just roused itself from deep hibernation ahead of its arrival.
The New Horizons Spacecraft is the first step of NASA's $650 million New Frontiers program. It's about the size of a grand piano and is powered by a small nuclear engine. Fun fact: New Horizons notched the highest launch speed in NASA's history when it lifted off in 2006 aboard an Atlas V…Continue
There are a bunch of drones on the market today that have video cameras inside them. The thing most of those drones have in common is a high purchase price. A new drone is on Indiegogo right now and it is surprisingly cheap for a video drone – and it’s made out of a very cool material. It’s called the Carbon Flyer, so of course it’s made from carbon fiber.
The lightweight and very strong material helps the drone fly longer distances and survive the inevitable crash. The Carbon Flyer is controlled via Bluetooth from a smartphone. An onboard video camera can shoot video as the drone soars around, though it only captures 640×480 video, and you can’t view the video in real time.Continue
Hello Guys! This is the first part of the special series of tutorials "From Ideia to the Prototype", We'll start from the idea and, step by step, we'll build the prototype until its components being soldered on the printed circuit board (PCB). In total, it will be three tutorials, the first will be the understanding of the circuit, with a brief theoretical background, and its assembly on the breadboard. The second will be to develop of the design of the printed circuit board in Eagle software where we'll also we will generate the G-code to pass the design to CNC machine. And the third will be the construct of the PCB where We will solder the components, completing the prototype.…Continue
The fastest cameras in the world already allow the light show in slow motion and even film chemical reactions.
But it will be hard to beat the speed of a new high-speed video technology created by Liang Gao and colleagues at the University of Washington in the United States.
Without relying on flash or strobe lighting, the camera can capture events at a speed of up to 100 billion frames per second.
This is several orders of magnitude faster than similar techniques of ultrafast imaging, which are limited by chip storage systems and the electronic reading speed of operations, which limits them to about 10 million frames per second.
The new technique, called CUP (compressed ultrafast photography, compressed ultra-fast photo), should…Continue
Superconductors are supposed to change the world. The only problem is that all of the materials we've used to produce need to be kept at near absolute zero temperatures in order to be superconducting. (See above.) But now, thanks to high-powered lasers, scientists successfully made a piece of ceramic superconducting at room temperature.
This is great news. And obviously it's great news with a big caveat. The ceramic only stayed superconducting for a split second. Actually, it was only a few millionths of a millisecond. That's a very, very brief lifespan for…Continue