
Explore an adult male reference body in 3D. Reveal 14 anatomical systems, search thousands of named structures, isolate organs, and pull 2,209 modeled pieces apart to see how the body is organized.
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An ideal polarization singlet is compared with a defined local shared-angle model. Settings are randomly selected independently of the source. Measured S appears after 30 pairs per setting; ± denotes one approximate standard error. This samples theoretical predictions, not evidence from real hardware. Correlations cannot send a message faster than light.
An ideal polarization singlet is compared with a defined local shared-angle model. Settings are randomly selected independently of the source. Measured S appears after 30 pairs per setting; ± denotes one approximate standard error. This samples theoretical predictions, not evidence from real hardware. Correlations cannot send a message faster than light.
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Explore an adult male reference body in 3D. Reveal 14 anatomical systems, search thousands of named structures, isolate organs, and pull 2,209 modeled pieces apart to see how the body is organized.

Explore the head and neck in 3D: 643 source meshes across 14 layers, 47 facial and masticatory muscles, and 77 drawn nerves, vessels and glands the source scan omits. Open any tooth onto its own pulp canal, and follow the seven stages of tooth development.
Free interactive photosynthesis simulation. Explore photosynthesis hands-on online — great for whole-class or independent practice.
Free interactive states of matter simulation. Explore states of matter hands-on online — great for whole-class or independent practice.
Free interactive shadows simulation. Explore shadows hands-on online — great for whole-class or independent practice.
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