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2. Packing problems - Wikipedia

   en.wikipedia.org/wiki/Packing_problems

   The hexagonal packing of circles on a 2-dimensional Euclidean plane. These problems are mathematically distinct from the ideas in the circle packing theorem.The related circle packing problem deals with packing circles, possibly of different sizes, on a surface, for instance the plane or a sphere.

3. Tetrahedron packing - Wikipedia

   en.wikipedia.org/wiki/Tetrahedron_packing

   Tetrahedral packaging. Aristotle claimed that tetrahedra could fill space completely. [4] [5]In 2006, Conway and Torquato showed that a packing fraction about 72% can be obtained by constructing a non-Bravais lattice packing of tetrahedra (with multiple particles with generally different orientations per repeating unit), and thus they showed that the best tetrahedron packing cannot be a ...

4. Hi-C (genomic analysis technique) - Wikipedia

   en.wikipedia.org/wiki/Hi-C_(genomic_analysis...

   As data on 3D genome structures becomes more and more prevalent in recent years, Hi-C begins to be used as a means to track evolutionary structural features/changes. Genomic single nucleotide polymorphisms (SNPs) and TADs are typically conserved across species, [ 73 ] along with the CTCF factor in the chromatin domain evolution. [ 74 ]

5. Close-packing of equal spheres - Wikipedia

   en.wikipedia.org/wiki/Close-packing_of_equal_spheres

   Illustration of the close-packing of equal spheres in both HCP (left) and FCC (right) lattices. In geometry, close-packing of equal spheres is a dense arrangement of congruent spheres in an infinite, regular arrangement (or lattice).

6. Sphere packing - Wikipedia

   en.wikipedia.org/wiki/Sphere_packing

   Sphere packing finds practical application in the stacking of cannonballs.. In geometry, a sphere packing is an arrangement of non-overlapping spheres within a containing space.

7. Hycean planet - Wikipedia

   en.wikipedia.org/wiki/Hycean_planet

   A hycean planet is a hypothetical type of planet with liquid water oceans under a hydrogen atmosphere. [1] The presence of extraterrestrial liquid water makes hycean planets regarded as promising candidates for planetary habitability.

8. Nuclear weapon yield - Wikipedia

   en.wikipedia.org/wiki/Nuclear_weapon_yield

   Log–log plot comparing the yield (in kilotonnes) and mass (in kilograms) of various nuclear weapons developed by the United States.. The explosive yield of a nuclear weapon is the amount of energy released such as blast, thermal, and nuclear radiation, when that particular nuclear weapon is detonated, usually expressed as a TNT equivalent (the standardized equivalent mass of trinitrotoluene ...