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"A compilation of small projects to build with LEGO Technic parts, including gears, motors, gadgets, and other moving elements. Contains step-by-step building instructions for rack-and-pinion steering systems, sliding doors, grasping claws, and ball-shooting devices. Explores principles of simple machines, gearing, and power translation"--
Author
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"...Showcases small projects to build with LEGO Technic gears, motors, gadgets, and other moving elements. You'll find hundreds of clever, buildable mechanisms, each one demonstrating a key building technique or mechanical principle. You'll learn to build four-wheel drive cars, adorable walking 'bots, steerable tanks, robotic inchworms, and cars that can follow the edge of a table! Each model includes a list of required parts and colorful photographs...
3) Energy experiments using ice cubes, springs, magnets, and more: one hour or less science experiments
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"Find out how energy is stored, transferred, and changed, what conducts and what stores heat, and how to change matter from a solid to a liquid to a gas"--Provided by publisher.
11) Tirar
Author
Description
Presents simple hands-on experiments that demonstrate what can make pulling easier or more difficult.
Description
In this haunting portrait of America's oil-fueled excesses, director Adolfo Doring explores the inextricable link between the energy we use, the way we run our economy, and the multiplying threats that now confront the environmental health and stability of our planet. Taking as its starting point the inevitable energy depletion scenario known as "Peak Oil," the film surveys a fascinating range of the latest intellectual, political, and scientific...
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