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The following article was published in our article directory on December 8, 2012.
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STEM, Bobblehead, Hockey-Puck, Executive Plaything Help Solve Nation's Problems ... by Bob Lally

Article Category: Entertainment

Author Name: Bob Lally

Fun, new, simple, bobblehead dual pendulums crafted from hockey pucks and fishing line employ familiar physical realities, like push, pull, flex, eneract, and sense, to both entertain people and illustrate the four fields of STEM: science, technology, engineering & math. They entertain, enlighten, puzzle, and inspire people of nearly all ages and persuasions, teens up.

Recently developed, educational dual pendulums promote STEM to support the extensive effort and investment in STEM education by our government, president, legislators, and noted educators to help solve our nation's dilemma.

Invoking mysterious gravity and mystical energy, dual pendulums exhibit the radiant, vibrant, communicant, eneractive nature and behavior of people and things, in addition to involving and symbolizing the four fields of STEM: science, technology, engineering & math.

The inventor claims that these astute learning objects can help technically self-educate America in the hands-on, minds-on, inquisitive way of educational standards. They tend to integrate the rather fragmented knowledge taught and memorized in school back into a unified whole.

Scientist and teachers have employed similar simple, classical pendulums for centuries to informally introduce and teach STEM subjects.

The dual-pendulum idea didn't just happen. It grew out of the development of sophisticated sensing instruments and associated pendulum calibrators for testing the behavior and monitoring the health of things. A modally tuned test hammer now made by a dozen different companies won a prestigious IR100 Award for being one of the best new products of 1983. Over a billion inertial motion sensors now help trigger car air bags and stabilize camera images.

Dual pendulums connect two classic pendulums together by simply stringing hard rubber disks on an oversize flexible plastic line. The disks slide on the line into position for conducting science experiments, besides inertially sensing changes in motion.

With both disks positioned apart at the lower knot, the lower disk and line form a visual, bobblehead, inertial motion sensor. Pull of the Earth (gravity) acts as a spring restraint. Like you, such sensors ordinarily flex to sense changes in motion, but not those of a coasting simple swing or pendulum (upper one), creating a mystery.

Exercising a dual pendulum, a person experiences interacting objects transferring energy push and pull on one another to move, flex, vibrate, and sense per laws of nature, while properties of materials: mass (God particles), stiffness (elasticity), friction, and gravity, resist moving as they store energy in various ways. Similar things happen in other energy realms. Such eneraction, a new word, senses, animates, and powers our wonderful World.

Operating a dual pendulum involves all four fields of STEM. Conducting classic science experiments requires engineering changes to a Plum's structure by sliding disks on the oversize line to modify behavior. Solving the mystery involves applying force-and-motion technology. Centrally adding mass confirms Newton's famous law of motion, modeled mathematically as F = ma. Geometry helps explain why pendulums automatically swing, and why a shorter line increases the swinging rate.

Testing a dual pendulum, students quickly learn that without a transfer of energy, nothing happens: objects don't move, structures don't flex, and sensors don't sense, or change status. For references or more information about pendulums, visit Wikipedia and You Tube.

Powering a dual pendulum manually encourages a person to have fun naturally eneracting, and to enjoy seeing other people and things eneract. Simple, handheld, dual pendulums do essentially the same things as the fascinating bobblehead swing, but not as dramatically.

Again Nature has been good to us with the gift of pendulums. And thanks to a legion of dedicated pendulum scientists, including Galileo and Newton, we now treasure a wealth of practical, useful knowledge and insight into how precious transfers of energy animate and power our magnificent world ...

Add two illustrations: Typical Dual Pendulums, & Graphical Model of Dual Pendulum. (View at: www.penduplum.com.)

Keywords: STEM, dual pendulum, education, nation's troubles, novelties, toys, entertainment, energy transfer, eneract

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