An international research collaboration has overturned the long-standing belief that the atomic nucleus of lead-208 is perfectly spherical. The discovery challenges fundamental assumptions about ...

Generate Platonic solids, Archimedian solids, Catalan polyhedra, the trapezohedron, and some stellated polyhedra. You can also stellate any of the polyhedra, select polyhedra by their characterics and ...

You can manipulate and color each shape to explore the number of faces, edges, and vertices, and you can also use this tool to investigate the following question: For any polyhedron, what is the ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. This study provides a systematic investigation of intermolecular interactions in ...

Using MgCO 3 as an activating agent, a biochar with a significantly enhanced surface area of ∼600 m 2 /g is produced in a simple but efficient manner. The resulting biochar is effective for the ...

You can create regular polygons with optional rounded corners and alignment features not available with circle(). The file also provides teardrop2d, which is useful for 3D printable holes. Many of the ...

It is significant for revealing the formation mechanism of the lunar Mascon to invert the refined 3-D lunar crust and upper mantle structure of the Mare Serenitatis. As the development of space ...