Kinetic Dolphin Desk Toy: a vintage kinetic sculpture based on the regular periodic motion exhibited by a physical pendulum system. Two weighted dolphins are connected to an armature with a pivot axis that can roll with minimal friction on a support. The inertia of the dolphin assembly allows for many minutes of back and forth motion as the minimal friction slowly damps away the energy and the amplitude of each swing. The physics of harmonic motion as seen in desk toys. ➡️ Follow the link in my
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Kinetic Dolphin Desk Toy: a vintage kinetic sculpture based on the reg…
9.7K views3 months ago
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Perpetual Dolphin Wheel: another kinetic art desk toy from the 70s- the rotor will stay in motion for weeks, until the hidden 9V battery is depleted. The rotor has a magnet embedded within each dolphin- and an extremely simple and ingenious circuit within the base (comprised of: a coil, a battery, and one transistor), senses the approaching magnets and energizes the coil to gives these magnets a push as the rotor passes through the middle. Similar to the Andrew’s Space Wheel, this device also ta
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Perpetual Dolphin Wheel: another kinetic art desk toy from the 70s- t…
22K views3 months ago
FacebookPhysicsfun
Perpetual Dolphin Wheel: another kinetic art desk toy from the 70s- the rotor will stay in motion for weeks, until the hidden 9V battery is depleted. The rotor has a magnet embedded within each dolphin- and an extremely simple and ingenious circuit within the base (comprised of: a coil, a battery, and one transistor), senses the approaching magnets and energizes the coil to gives these magnets a push as the rotor passes through the middle. Similar to the Andrew’s Space Wheel, this device also ta
0:51
Perpetual Dolphin Wheel: another kinetic art desk toy from the 70s- t…
14.3K viewsJul 17, 2024
FacebookPhysicsfun
physicsfun on Instagram: "Perpetual Dolphin Wheel: another kinetic art desk toy from the 70s- the rotor will stay in motion for weeks, until the hidden 9V battery is depleted. The rotor has a magnet embedded within each dolphin- and an extremely simple and ingenious circuit within the base (comprised of: a coil, a battery, and one transistor), senses the approaching magnets and energizes the coil to gives these magnets a push as the rotor passes through the middle. Similar to the Andrew’s Space
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physicsfun on Instagram: "Perpetual Dolphin Wheel: another kinetic ar…
47.3K views3 months ago
Instagramphysicsfun
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