digital technology
![Close up magnified image of a microchip](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/10831/2000x.jpg?h=96dfc06c&itok=ZbfAIMs-)
Zoom into a Microchip video
In this video, learners see the tiny wires and the crisscrossing patterns of the microchip's circuits while learning a bit about why making it small is important.
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![An adult and child, both smiling, sit close together at a table as the child points to an image on the Wavetown illustration.](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/2023-03/radio_20221027_0692_0.jpg?h=5f33a3b8&itok=1Erpi7lt)
Radio Futures: I Spy Radio
Young learners explore a colorful illustration showing everyday uses of radio technologies.
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![An adult and a child holds a metal baking sheet above the antennae of a Wi-Fi router on a block of wood, placed on a table. Another child holds a shell of tinfoil around a block of wood placed apart from the first block.](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/2023-03/4_1.jpg?h=c2786100&itok=y1dmHbe5)
Radio Explorers: Wi-Fi Detective
Learners explore how to manipulate the radio waves from a Wi-Fi router using household materials and an app to measure Wi-Fi signal strength.
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