Science · Interactive demo
Why don't satellites fall down?
Fire a cannonball faster and faster from a mountain top until the ground curves away as fast as it falls. Newton's cannon as a working model.
Created by ExplainerTools.
What you’ll explore
This interactive demo gives you a visual way into science. The key ideas include orbits, gravity, satellites, space.
Continue learning
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- Roman Space Telescope, simulated by Konstantin Saifoulline
See how the world works.
Explore interactive ideas in space, science, math, and more. Try a demo, read an interactive article, watch a short video, and follow what makes you curious.
New Originals
Change one thing and see why.
Three new models, each with a 30-second film. Watch the question, then play with the answer.
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A collection of small doors into big ideas.
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