资讯

There are five platonic solids, the tetrahedron, cube, octahedron, dodecahedron and icosahedron. A prism is a 3D shape with a constant polygon shaped cross-section. A prism is named by the shape ...
Explore the mesmerizing world of magnetic games with a glowing octahedron made of 10mm magnetic balls, internally illuminated by LED lights. Watch as this unique structure comes to life ...
Making the octahedron from a single strand was a breakthrough. Because of this, the structure can be amplified with the standard tools of molecular biology and can easily be cloned, replicated ...