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7 years ago

Ummm, I wanted cherry.

7 years ago
#damanekoh #islamabad #abdulhaseeb #brothers (at Islamabad, Pakistan)

#damanekoh #islamabad #abdulhaseeb #brothers (at Islamabad, Pakistan)


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7 years ago

Update

9/10/2017

Salut! I have officially been in France for almost two and a half months and things are going great!

I have made many friends and am currently lookin forward to les vacances de Toussaint because French university is hard. I have so much homework all the time and hearing non-stop French is exhausting but I’m getting better (I think).

I booked my ticket to go home for Christmas the other day. I wasn’t going to go home but my mom misses me a lot and she paid for it so I thought “why not?” I am actually more excited to go back than I thought I would be but I also see myself living here in the future.

Let’s hope this trip doesn’t drop my gpa hardcore otherwise this boy won’t be getting into grad school for French linguistics or be graduating with Magna Cum Laude.

Anyway, that’s about it so… bonne journée!

7 years ago

Stretchy Artificial 'Skin' Could Give Robots a Sense of Touch

Rubber electronics and sensors that operate normally even when stretched to up to 50 percent of their length could work as artificial skin on robots, according to a new study. They could also give flexible sensing capabilities to a range of electronic devices, the researchers said.

Like human skin, the material is able to sense strain, pressure and temperature, according to the researchers.

"It's a piece of rubber, but it has the function of a circuit and sensors," said Cunjiang Yu, an assistant professor of mechanical engineering at the University of Houston. Yu and his team describedtheir innovation in a study published online Sept. 8 in the journal Science Advances. [Super-Intelligent Machines: 7 Robotic Futures]Yusaid the rubber electronics and sensors have a wide range of applications, from biomedical implants to wearable electronics to digitized clothing to "smart" surgical gloves.Because the rubbery semiconductor starts in a liquid form, it could be poured into molds and scaled up to large sizes or even used like a kind of rubber-based ink and 3D printed into a variety of different objects, Yu told Live Science.One of the more interesting applications could be for robots themselves, Yu said. Humans want to be able to work near robots and to coexist with them, he said. But for that to happen safely, the robot itself needs to be able to fully sense its surroundings. A robot — perhaps even a soft, flexible one, with skin that's able to feel its surroundings—could work side by side with humans without endangering them, Yu said.In experiments, Yu and his colleagues used the electronic skin to accurately sense the temperature of hot and cold water in a cup and also translate computer signals sent to the robotic hand into finger gestures representing the alphabet from American Sign Language.Electronics and robots are typically limited by the stiff and rigid semiconductor materials that make up their computer circuits. As such, most electronic devices lack the ability to stretch, the authors said in the study.In research labs around the world, scientists are working on various solutions to produce flexible electronics. Some innovations include tiny, embedded, rigid transistors that are "islands"in a flexible matrix. Others involve using stretchy, polymer semiconductors. The main challenges with many of these ideas are that they're too difficult or expensive to allow for mass production, or the transmission of electrons through the material is not very efficient, Yu said.This latest solution addresses both of those issues, the researchers said. Instead of inventing sophisticated polymers from scratch, the scientists turned to low-cost, commercially available alternatives to create a stretchy material that works as a stable semiconductor and can be scaled up for manufacturing, the researchers wrote in the study.Yu and his colleagues made the stretchable material by mixing tiny, semiconducting nanofibrils — nanowires 1,000 times thinner than a human hair — into a solution of a widely used, silicon-based organic polymer, called polydimethylsiloxane, or PDMS for short.When dried at 140 degrees Fahrenheit (60 degrees Celsius), the solution hardened into a stretchable material embedded with millions of tiny nanowires that carry electric current.The researchers applied strips of the material to the fingers of a robotic hand. The electronic skin worked as a sensor that produced different electrical signals when the fingers bent. Bending a finger joint puts strain on the material, and that reduces electric current flow in a way that can be measured.For example, to express the sign-language letter "Y," the index, middle and ring fingers were completely folded, which created a higher electrical resistance. The thumb and pinky fingers were kept straight, which produced lower electrical resistance.Using the electrical signals, the researchers were able spell out "YU LAB" in American Sign Language.Yu said he and his colleagues are already working to improve the material's electronic performance and stretchiness well beyond the 50 percent mark that was tested in the new study."This will change the field of stretchable electronics," he said.


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7 years ago

ESIST.Tech/tv/ recommends | Fire in the Sky News - So Cal - Witness “Wings of an Angel” - Pilots saw it from Phoenix, AZ. | https://esist.tech/tv/

7 years ago

Good habits

Waking up early (like every day, even on weekends)

Going to sleep early (so you can wake up early)

Going for a walk every day (at morning or at night)

Drinking water before and after every meal

Eating breakfast

Stretching

Exercising

Reading something

Doing your work as soon as you get home

Planning your time

Taking time for yourself

Getting a shower

Brushing your teeth

Washing your face

Talking to your friends

Writing how your day was (memories for your future self?)

Being less than 3 hours on the phone

Not pressing the snooze button

Doing something good for someone

Being thankful for the day you got to wake up and for the day you lived through

7 years ago

#damanekoh #islamabad #naturephoto #natureclip


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7 years ago
#pakiatan #jeep #rally #islamàbad #peaceful #pakistani #2017 #specialday (at Islamabad, Pakistan)

#pakiatan #jeep #rally #islamàbad #peaceful #pakistani #2017 #specialday (at Islamabad, Pakistan)


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7 years ago

Hybrid Driving-Flying Robots Could Go Beyond the Flying Car

Whether they're swooping in to deliver packages or spotting victims in disaster zones, swarms of flying robots could have a range of important applications in the future, a new study found. The robots can transition from driving to flying without colliding with each other and could offer benefits beyond the traditional flying-car concepts of sci-fi lore, the study said.

The ability to both fly and walk is common in nature. For instance, many birds, insects and other animals can do both.

Robots with similar versatility could fly over impediments on the ground or drive under overhead obstacles. But currently, robots that are good at one mode of transportation are usually bad at others, study lead author Brandon Araki, a roboticist at the Massachusetts Institute of Technology's Computer Science and Artificial Intelligence Laboratory, and his colleagues said in their new study.The researchers previously developed a robot named the "flying monkey" that could run and fly, as well as grasp items. However, the researchers had to program the paths the flying monkey would take; in other words, it could not find safe routes by itself.Now, these scientists have developed flying cars that can both fly and drive through a simulated city-like setting that has parking spots, landing pads and no-fly zones. Moreover, these drones can move autonomously without colliding with each other, the researchers said. "Our vehicles can find their own safe paths," Araki told Live Science.The researchers took eight four-rotor "quadcopter" drones and put two small motors with wheels on the bottom of each drone, to make them capable of driving. In simulations, the robots could fly for about 295 feet (90 meters) or drive for 826 feet (252 meters) before their batteries ran out.The roboticists developed algorithms that ensured the robots did not collide with one another. In tests in a miniature town made using everyday materials such as pieces of fabric for roads and cardboard boxes for buildings, all drones successfully navigated from a starting point to an ending point on collision-free paths.Adding the driving apparatus to each drone added weight and so slightly reduced battery life, decreasing the maximum distances the drones could fly by about 14 percent, the researchers said. Still, the scientists noted that driving remained more efficient than flying, offsetting the relatively small loss in efficiency in flying due to the added weight."The most important implication of our research is that vehicles that combine flying and driving have the potential to be both much more efficient and much more useful than vehicles that can only drive or only fly," Araki said.The scientists cautioned that fleets of automated flying taxis are likely not coming anytime soon. "Our current system of drones certainly isn't robust enough to actually carry people right now," Araki said. Still, these experiments with quadcopters help explore "various ideas related to flying cars," he said.The scientists detailed their findings on June 1 at the Institute of Electrical and Electronics Engineers' International Conference on Robotics and Automation in Singapore.


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7 years ago

surrounded by old books with withered yellow pages curled around my finger that is my favorite place to be.

‘books’ from it starts like this by shelby leigh (via nothingwithoutwords)

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21stcenturypost-blog - 21st CENTURY POST
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