↻ATP Synthase: A Molecular Rotor
Explore a real yeast molecular structure, reveal its rotor and adjust the proton gradient to see three catalytic sites work together to make ATP.
Explore the 3D World.
Discover the Science.
From microscopic cells to the cosmic web. Explore science through interactive 3D worlds.
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◉Mitosis: One Becomes Two
How are copied chromosomes separated? Explore Mitosis: One Becomes Two through an interactive model with stage and condition comparisons.
◉DNA: Packing a Genome
How does long DNA fit into a tiny space? Explore DNA: Packing a Genome through an interactive model with stage and condition comparisons.
◉Kinesin: A Molecular Walker
How do two motor heads walk forward? Explore Kinesin: A Molecular Walker through an interactive model with stage and condition comparisons.
◉Ribosome: Reading Life’s Code
How is an RNA message translated into protein? Explore Ribosome: Reading Life’s Code through an interactive model with stage and condition comparisons.
◉The Bacterial Nanomotor
How does a rotating flagellum propel a bacterium? Explore The Bacterial Nanomotor through an interactive model with stage and condition comparisons.
◉Soap and the Viral Envelope
Why can a lipid envelope become a weak point? Explore Soap and the Viral Envelope through an interactive model with stage and condition comparisons.
✧Birth of a Snow Crystal
Why does an ice crystal grow in six directions? Explore Birth of a Snow Crystal through an interactive model with stage and condition comparisons.
✧Black Hole: Bent Light
Why can the far side of a disk appear above a black hole? Explore Black Hole: Bent Light through an interactive model with stage and condition comparisons.
✧Inside Saturn’s Rings
What looks like a solid ring is countless particles. Explore Inside Saturn’s Rings through an interactive model with stage and condition comparisons.
✧A Comet’s Two Tails
Do tails point behind the comet—or away from the Sun? Explore A Comet’s Two Tails through an interactive model with stage and condition comparisons.
✧When Galaxies Meet
Do stars collide like billiard balls when galaxies meet? Explore When Galaxies Meet through an interactive model with stage and condition comparisons.
◌A Universe in a Drop
Zoom at a shared physical scale from a leaf and pond-water drop to a Paramecium, then explore its structures and membrane transport.
◆The Scale of Everything
Explore scale in interactive 3D, from quarks, atoms, and DNA to people, planets, and the cosmic web.
◉Earth, to Human
Zoom from Earth’s core to the surface, then to a single human. Discover mountains, wells and buildings at their true scale.
⌁LifeCurve - Historical Lives
Compare 144 events across 13 historical lives on a shared age or year axis. Follow turning points in a compact interactive timeline.
🌿Plant Cell 3D
Rotate a plant cell and explore 14 structures, including the cell wall, chloroplasts and central vacuole. Use cutaway and exploded views to inspect organelle positions and functions.
✧Cellular Energy Journey
Explore transport and energy conversion inside a 3D cell.
↗Roadster Flight Explained
Explore suction, reaction torque and controlled landing in a mechanical interpretation of the Roadster demonstration.
◆M 290 Metal 3D Printer
Explore laser powder bed fusion through a metal 3D printer cutaway, with scanning mirrors, a growing turbine blade and adjustable printing parameters.
◆Inside a DC Solenoid
Inspect a DC solenoid cutaway and follow current, magnetic action, plunger movement and spring return through an electrical view.
◆Keyboard Switch, Sawn Open
Look inside mechanical keyboard switches through an interactive cutaway and compare the relationship between key travel and the internal mechanism.
◆Four-Stroke Engine · Half-Section
Follow piston, connecting rod, crankshaft and valve movement through a four-stroke engine half-section created by nader0913.
◆Film Projector
Explore a retro film projector as an interactive mechanical illustration, connecting film movement with the projection apparatus.
◆How a Toilet Flushes
Follow a cistern and bowl cutaway through flushing, siphoning and refilling, with a float and valves coordinating the cycle.
◆How a Fridge Keeps Food Cold
Inspect a fridge cutaway with a cold plate, warm rear coils and a compressor, then compare door and thermostat settings.
◆How Lift Safety Gear Works
Scrub a lift-shaft cutaway to follow a speed governor triggering safety gear that brakes the car against its guide rails.
◆How a Zipper Works
Drag a cutaway zipper slider to see its Y-shaped channel guide two rows of teeth together and separate them again.
◆Hand Grinder · Burr Gap
Explore an exploded hand coffee grinder and turn its adjustment ring to compare the spacing between conical burrs.
⚙Four-stroke Engine
Turn the crankshaft and discover how the piston, connecting rod and valves work through a complete four-stroke cycle.
⬡Bacteriophage Infection
Explore T4 infection of E. coli in six interactive steps, from receptor recognition to lysis. Rotate the cutaway to follow DNA into the cell.
◆Reef Aquarium
Explore a reef aquarium with tropical fish, underwater lighting and swimming animations. Drag to orbit and scroll to zoom.
◆Raspberry · Photorealistic 3D
A photorealistic raspberry against a black background, with detailed drupelet surfaces, fine hairs and lighting.
◆Cell Atlas
An interactive 3D atlas of plant and human cells: rotate, cut away and inspect organelles, with Chinese and English support.
◆Cosmic Web & Galaxy
A seamless nine-order-of-magnitude zoom from cosmic-web filaments to galaxies, with a solar system hidden in the spiral arm (VR-ready).
◆Scale of Stars
From the Moon and Earth up to UY Scuti and Stephenson 2-18: planets and stars lined up at true radii to reveal cosmic scale.
◆Solar Neighborhood (HYG)
The solar system laid out at true AU scale inside the nearby stars of the HYG catalog, with free flight and per-planet facts.
◆RB19 · Engineering Explorer
Explore the RB19 through component views and simulated telemetry.
◆Microduck · 3D Assembly Lab
Inspect robot components in a 3D assembly viewer and explore the Microduck assembly guide.
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Explore interactive 3D science by topic
Science learning paths · Observe, compare, explain ↗History ↗
Follow a life to understand an era and its turning points.
Space ↗From a single planet to connections between galaxies.
Life ↗Turn unseen structures into relationships you can explore.
Earth ↗From inside a planet to one point on its surface.
Engineering ↗Follow one part to understand the mechanism.
Experience introductions and observation guides 39
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