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worldmags<br />

www.servomagazine.com/index.php?/magazine/article/december2010_Robytes<br />

Georgia Tech’s Ronald Arkin <strong>and</strong> Alan Wagner watch as one<br />

bot fakes out another. Photo by Gary Meek.<br />

robot attempting to hide from another robot to develop<br />

programs that successfully produced deceptive behavior.”<br />

Specifically, in a game of hide <strong>and</strong> seek, the deceiving bot<br />

knocked down markers in a way that would indicate that it<br />

would be hiding in one of three locations, then actually hid<br />

in one of the other two. After a run of 20 experiments, the<br />

hider deceived the seeker 75 percent of the time.<br />

The concept clearly has its uses in applications such as<br />

military search <strong>and</strong> rescue (<strong>and</strong>, in fact, the investigation<br />

was funded by the Office of Naval Research); misleading<br />

the enemy is a useful capability. But, Arkin noted, “We have<br />

been concerned from the very beginning with the ethical<br />

implications related to the creation of robots capable of<br />

deception, <strong>and</strong> we underst<strong>and</strong> that there are beneficial <strong>and</strong><br />

deleterious aspects.” Indeed, a world crawling with robotic<br />

lawyers, car salesmen, investment counselors, <strong>and</strong><br />

politicians is the stuff of nightmares.<br />

Roll Over, Tchaikovsky<br />

Dying<br />

robotic<br />

swan<br />

brought<br />

to you by<br />

Mälardalen<br />

University.<br />

It’s always dangerous to mix robotics with the fine arts,<br />

<strong>and</strong> the latest example is the Dying Swan, created at<br />

Sweden’s Mälardalen University (www.mdh.se) <strong>and</strong><br />

choreographed by professional dancer Åsa<br />

Un<strong>and</strong>er-Scharin. According to a news release, “The<br />

Dying Swan is sometimes moving smoothly <strong>and</strong> gently,<br />

sometimes in a dramatic <strong>and</strong> fiery manner, as Tchaikovsky’s<br />

majestic music from the ballet Swan Lake is playing ...<br />

The swan robot’s just over four-minute-long dance has<br />

made a big impression. Tearful eyes <strong>and</strong> words like<br />

`touching,’ `fascinating,’ <strong>and</strong> `beautiful’ are some of<br />

the reactions.”<br />

Reactions on the Internet, on the other h<strong>and</strong>,<br />

include “scary,” “jerky,” <strong>and</strong> “not yet ready for Chuck E.<br />

Cheese.” Decide for yourself by logging onto www.mdh.<br />

se/news/1.34862.<br />

Wishy-Washy Robot<br />

Panasonic’s hair-washing<br />

robot: insert your head<br />

<strong>and</strong> it does the rest.<br />

It’s not designed to replace the shampoo monkey at<br />

your local beauty shop, <strong>and</strong> it can’t cut hair or do your<br />

nails. But Panasonic (www.panasonic.net) has introduced<br />

a hair-washing robot that may prove useful in hospitals <strong>and</strong><br />

health care facilities for relieving overburdened medical<br />

personnel of a mundane <strong>and</strong> noncritical task. The machine<br />

employs Panasonic’s robot h<strong>and</strong> technology, applying 16<br />

fingers to wash hair <strong>and</strong> rinse away the little bubbles “with<br />

the dexterity of human fingers.” Two arms scan the<br />

patient’s head in three dimensions, <strong>and</strong> even remember the<br />

head shape, allowing the poo-bot to apply proper pressure<br />

throughout the process. Each arm has three motors that<br />

independently control the swing, press, <strong>and</strong> massage<br />

motions in conjunction with power detection sensors, so it<br />

probably does a pretty good job. However, a word to the<br />

wise: Make sure it’s properly grounded before you stick<br />

your head inside. SV<br />

SERVO 12.2010 9<br />

worldmags

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