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Astro Biology

Know How Origin of Earth's survived when Oxygen has Abundant - 0 views

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    We all are aware of the fact that billions of years ago, there was very little oxygen on Earth to breathe. Scientist of University of California at Riverside (UCR) have researched when in Earth's history oxygen may have abundant. Curious to know how origins of Earth survived?
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    We all are aware of the fact that billions of years ago, there was very little oxygen on Earth to breathe. Scientist of University of California at Riverside (UCR) have researched when in Earth's history oxygen may have abundant. Curious to know how origins of Earth survived?
Astro Biology

How Massive Geographic Change may have Triggered Explosion of Animal Life - 0 views

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    Scientist are researching about geologic history that may help to solve the riddle of the "Cambrian explosion," the rapid diversification of animal life in the fossil record. Learn more about what Cambrian explosion is and how it has affected animal's life in the past.
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    Scientist are researching about geologic history that may help to solve the riddle of the "Cambrian explosion," the rapid diversification of animal life in the fossil record. Learn more about what Cambrian explosion is and how it has affected animal's life in the past.
Astro Biology

Know More about First Light At MARS - 0 views

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    Do you know how long does Mars mission take to start & sending back data once it's arrived at the red planet? Read more about Mars atmosphere, wavelength, MAVEN etc. only at Astrobiology Magazines.
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    Do you know how long does Mars mission take to start & sending back data once it's arrived at the red planet? Read more about Mars atmosphere, wavelength, MAVEN etc. only at Astrobiology Magazines.
Astro Biology

Know When Milky Way Collision Occur - 0 views

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    NASA scientist have found proof that our Milky Way had an encounter with a small galaxy or massive dark matter structure perhaps as recently as 100 million years ago. Are you also interested to know how galaxies form, evolve and interact?
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    NASA scientist have found proof that our Milky Way had an encounter with a small galaxy or massive dark matter structure perhaps as recently as 100 million years ago. Are you also interested to know how galaxies form, evolve and interact?
Astro Biology

NASA Begins Construction Of Mars Lander - 0 views

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    Do you know NASA has begun creation of 2016 Mars lander. This mission will investigate following points such as how earth like planets are formed, inner layered structure of core and many more. Want to know more about this mission?
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    Do you know NASA has begun creation of 2016 Mars lander. This mission will investigate following points such as how earth like planets are formed, inner layered structure of core and many more. Want to know more about this mission?
York Jong

ROBOT SENSOR INTERPRETATION - 0 views

  • how to interpret sensor data into a mathematical form readable by computers
  • There are only 3 steps you need to follow: Gather Sensor Data (data logging) Graph Sensor Data Generate Line Equation
  • Some sensors (such as sonar and Sharp IR) do not work properly at very close range
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  • The way to get rid of noise is get a bunch of readings, then only keep the average. Make sure you test for noise in the actual environment your robot will be in
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    Most roboticists understand faily well how sensors work. They understand that most sensors give continuous readings over a particular range. Most usually understand the physics behind them as well, such as speed of sound for sonar or sun interference for IR. Yet most do not understand how to interpret sensor data into a mathematical form readable by computers.
York Jong

How Robots Will Change Us - 53 views

作者: ykjiang (York) 看板: Robotics 標題: How Robots Will Change Us 時間: Fri Nov 3 15:18:31 2006 剛剛在機器人大寶的 Blog 上看到其為《我們都是機器人》 一書寫了詳實的簡介: http://cilab.csie.ncu.edu.tw/mt/tabo/archives/2006/11/flesh_and_...

book brooks

started by York Jong on 28 May 07 no follow-up yet
York Jong

Inside The Ugobe Pleo - Organic Robot Life - 0 views

  • CALEB CHUNG: Of course we could have used micro-servo motors to accomplish the motion of Pleo, but we aren’t able to use expensive motors. So we had to engineer it with a high-speed motor with high gearing and no backlash for control purposes and have it all fit within the muscle envelope of Pleo.
  • So what we did was go after a lot of ethology research. How do animals really handle the complexity of their environment? We built a virtual brain—a whole system that decides how Pleo will react in various situations.
  • CALEB CHUNG: Pleo will reset thresholds and adjust his idea of what he thinks is normal. Let’s say you get Pleo and you take him home to your shag carpet. When Pleo walks, the carpet will drag on his feet. So his force feedback sensors will realize that he is spending too much energy to walk around. Pleo will try different things to reduce the energy spent. Eventually, he will have the idea to step higher. Your Pleo compared to my Pleo will walk with a higher step.
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  • Eventually, we got to the point where we don’t know what Pleo will do next because he learns. If Caleb and I went to your house to see your Pleo, we couldn’t predict a lot of the things he would do, even though we know everything we put in him. Pleo has the ability to change and figure things out on his own.
  • Consumers will be able to download and customize Pleo later this year or early next year. We want to give the user the ability to change Pleo’s personality, animations and tricks. We also want to allow developers and hobbyists to take the SDK and motion system and behavior system and choreograph advanced features and animations for new AI functionality.
  • We didn’t include a camera (or voice recognition) in Pleo because of the price point for the product. Pleo is probably a good hack for a CMU camera, and we want people to develop these sorts of things.
  • The only way you can create life is to give it choice. Life is very complex, and it has to evolve, otherwise it is a robot. The only way to get complex systems to work is to let them chose for themselves.
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    Pleo is UGOBE's first designer Life Form and is based on the Camarasaurus dinosaur. He is made up of an amazing array of sensors, motors  (14!), and distributed computing with an ARM-7 processor commanding it all.
marketngedwisor

How to become Data Scientist in 2019? | edWisor - 0 views

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    Are you starting for your career as a data scientist? To become an expert in data science you need to begin from the ground up. And you need to get a step-by-step guide to becoming a data scientist and for learning a particular skill. Instead of jumping for a master program in computer science you need to focus mathematics, python,r-programming or statistics or develop a skill in data science. If you are looking out for such a learning institute then you could also take a walk for edwisor.com as it works for enrolled students in data science career program as well as in the hiring process and gets 4 Guaranteed interviews at top organizations.
buycashapp30

Buy Verified CashApp Accounts - BTC Enable Aged CashApp - 0 views

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    There is no one-size-fits-all answer to this question, as the best way to buy a verified CashApp account will vary depending on your specific needs and preferences. However, some tips on how to buy verified CashApp accounts include: doing your research ahead of time, finding a reputable seller, and being prepared to pay a bit more for a verified account. With that said, following these tips should help you find and purchase a verified Cash App account without any major issues.
Astro Biology

Facts About Origin Of Life On Earth - 0 views

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    Get complete knowledge on how life began on earth, solar system news and recent space exploration. You can now read all information at one place at Astrobiology Magazine.
Astro Biology

Know How Cassini Looking Mysterious Feature Evolve in Titan Sea - 0 views

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    Do you know NASA's Cassini spacecraft is monitoring the evolution of a mysterious feature in a huge hydrocarbon sea on Saturn's moon Titan? Curious to read more about mysterious feature?
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    Do you know NASA's Cassini spacecraft is monitoring the evolution of a mysterious feature in a huge hydrocarbon sea on Saturn's moon Titan? Curious to read more about mysterious feature?
Chiki Smith

How I Got Over My Cheating Husband - 4 views

When I learned that my hubby was cheating on me, I was so angry that if looks could kill he would be already lying lifeless on the floor. But then, when I took a time off, I felt insecure. I knew t...

cheating spouses

started by Chiki Smith on 13 Jul 11 no follow-up yet
York Jong

The Playful World: How Technology Is Transforming Our Imagination - 0 views

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    A trenchant analysis of the new "gaming" technology introduces readers to the interactive toys that will soon influence an entire generation of young users.
York Jong

RoboLogo - Teaching Children how to program Interactive Robots - 0 views

  • All of the procedures take a discrete ``gear'' to specify the speed. The reasons for this are two-fold; first, by limiting the power of the truck, we simplify the interface to children. Secondly, it allows use to calibrate the ``gears'' so that, for example, 10 seconds forward in first gear is the same distance as 10 seconds backward in first gear.
  • The limitation of LOGO however is the lack of feedback from the environment. There is no way of expressing an event occuring in the outside world.
  • Simple constructs in iLogo extend the original LOGO language with interactivity capabilities of reading sensors and transfering control to different parts of the program.
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  • These above rules handle all of the commands and expressions of the iLogo language except for the DoUnlessCommand. This command will execute a list of commands unless a boolean condition is met. If so, control is switched to a new list of commands for handling the exception condition.
  • Each stage of the compiler is designed using the Visitor pattern described in the book Design Pattern by Eric Gamma, et al. This pattern allows tree traversers to be created as seperated objects, instead of doing all traversals as methods of the nodes of the tree
  • We decided to use the JavaCC/JJTree tools created by Sun for generating a custom parser for our iLogo language written in Java.
  • The language must have primitives which allow the user of the language to write programs which easily transfer control based upon outside stimuli, in this case sensors on the truck.
  • An LM18293 push-pull motor driver connects the programmable counter array (PCA) of the 8051 to the truck's motors.
    • York Jong
       
      LM18293 is a DC motor driver.
  • We took the Berkeley Logo language design as our base and then added a primitive for reading sensor and an exception-based control structure.
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    RoboLogo is a system that enables children to program interactive robots. Children can program a robotic truck that interacts with the environment without having to deal with low-level implementation details.
York Jong

Ray's Solder-less Motor Mount Tutorial - 0 views

  • attach your Pager Motors to your Popper using two Fuse Clips, two Small Paper Clips, and no solder
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  • Set one straightened paper clip aside, you will use it at the end. Bend the two tips of one of the two paper clips as shown.
  • Put it in through the fuse clip like this, but make sure the notch in the fuse clip is facing out. (The clip has one edge bent inwards. This is the part that has to face outwards). Study this next picture closely.
  • From the position above, bend the paper clip up and then around the lead of the fuse clip as in the next picture.
  • Bend the paper clip under the fuse clip...
  • then up and over the fuse clip:
  • then around its other lead and you're almost done with the first fuse clip.
  • First clip -- wire is on the RIGHT side of the fuse clip leads... Second Clip -- wire is on the LEFT side of the fuse clip leads... But remember to make sure the notch in the fuse clip is facing out. (The clip has one edge bent inwards. This is the part that has to face outwards).  Follow all the steps above with the second clip and you get this:
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    I'll show you how to attach your Pager Motors to your Popper using two Fuse Clips, two Small Paper Clips, and no solder.
York Jong

BEAM Circuits -- 74*24x-based motor drivers compared - 0 views

  • In many ways, both the 74*240 and 74*245 are equally handy for BEAM use; both have 20 pins, and so the main difference that most folks will care about is that one inverts drive inputs, while the other doesn't. Out of curiousity, I decided to torture test the two chips to see how they compared under load.
York Jong

How to make Tactile Sensors! - 0 views

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    What you need.... * "2 paper clip * 'Click type' pen * Sheet of paper * Thin piano wire * Soldering iron * Solder * Wire clippers * Tape
York Jong

Building Sensors and Motors for the Red and Blue Dot Crickets - 0 views

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    This document explains how to interface a variety of devices to the Red Dot Cricket:
York Jong

Robot Room - Intermediate Robot Building Book - 0 views

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    Includes all of the step-by-step instructions you need to create your own robot that can explore rooms, follow lines, or battle opponents in mini sumo. The circuits and parts in this book are presented as independent modules, so that you can build the complete robot as described or apply the modules to your own unique robot designs.
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