A 1/4-cu inch robot developed at Sandia National Labs may
be the world's smallest. So far, the little robot has only maneuvered its way
through a field of dimes and nickels, but Sandia researcher Ed Heller, who
developed the device's microelectronics, envisions driving it through pipes and
other small passages, or locating mines in mine fields. "Right now, the robot
can only move and sense temperature," says Heller. The robot travels at 20
inches/min. It uses three watch batteries and two tiny Smoovy motors from RMB
(Ringwood, NJ) that drive track wheels like those found on bulldozers. The
small, but mighty robot also has an 8K ROM processor and temperature sensor. "By
eliminating the packaging and using electronic components in die form, we
reduced the size of the robot," he says. Heller and other project researchers
may add a camera, microphone, and communication device in the future. Sandia's
Doug Adkins developed the robot's small mechanical design using
stereolithography, a process that involves laying down thin layers of material
that are cured using a laser. For more information, contact Heller at firstname.lastname@example.org . Adkins' email address is email@example.com. For more information about RMB's Smoovy motors, go to www.smoovy.com .
This Gadget Freak Review looks at a keyless Bluetooth padlock that works with your smartphone, along with a system that tracks your sleep behavior and wakes you at the perfect time in your sleep cycle to avoid morning grogginess.
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Since 1987, teams of engineers around the world have built solar cars to participate in a road race around Australia called the World Solar Challenge, being tested on the race time, kilometers traveled, practicality, and energy used by the vehicles they invent.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.