The Daily Item, Sunbury, PA

Entertainment

June 27, 2012

Tech Update: A robot that always wins at rock, paper, scissors

Technology, from the average toaster to the iPhone, amazes me. My amazement continues following a one-minute YouTube video showing a robotic hand that wins at paper, rock scissors every time.

There is no practical use for such an invention, at least not that I can conjure, but the concept is intriguing.

The robot uses a high-speed camera to cheat and sends a signal to a robotic hand that flashes its “choice” an imperceptible amount of time later.

The end of the video plays in slow-motion, displaying the robot’s incredible reaction time.

I first saw this story on www.tested.com.

Tips for faster, more effective searches

San Antonio Express-News reporter John Tedesco uses Google search, like many people do. But he doesn’t use it like most people.

Last week, Google research scientist Daniel Russell presented Tedesco and some other journalists with a collection of tips on the best ways to use Google search.

The minus symbol (-) works, but the plus (+) does not. Google ignores and or AND, but OR can be very useful.

Tedesco posted many of the highlights on his personal blog, www.johntedesco.net. They are worth a read for anyone who uses Google for just about anything.

Hubble makes massive discovery

The Hubble space telescope remains one of the greatest ideas and inventions in human history and recently it discovered something that, according to Wired’s Adam Mann, just shouldn’t exist.

Scientists believe they’ve discovered a galaxy cluster, a collection of galaxies that orbit one another. Scientists have theorized the clusters are the most massive objects in the universe. It is believed to be 500 trillion times the mass of the sun, according to NASA.

Scientists also believe a blue arc near the cluster is proof of another galaxy that is 10-13 billion light years away weighing as much as 70 trillion suns.

What do you think about cheating robots and massive galaxies far, far away?

Email comments and questions to epehowic@thedanvillenews.com.

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