Visualizing How Current and Voltage Behave in a Mag Loop Antenna

Ace electrical engineer, Jeri Ellsworth, is back to deep-nerding science and technology on YouTube.

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A Micro Relay at Work

The fundamentals of switching in GIF format! See a 5V micro relay switch from normally-closed to normally-open and back to normally-closed.

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Super Fast Electromagnetic Flip Dot Display

As a promotion for TNT, BREAKFAST installed this incredibly large and fast flip dot display in Manhattan’s Herald Square. The 23 foot long display is 12 feet high and made up of 44,000 dots.

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