Lustrous-colored 3D printing using liquid crystals

What do cosmetics, car finishes, passports, bank notes, tropical insects, and oysters have in common? The color is formed through a specific microscopic organization of the matter making up the material, often called "iridescent" ...

Scientists suggest spacetime has no time dimension

(PhysOrg.com) -- The concept of time as a way to measure the duration of events is not only deeply intuitive, it also plays an important role in our mathematical descriptions of physical systems. For instance, we define an ...

Primordial weirdness: Did the early universe have 1 dimension?

(PhysOrg.com) -- Did the early universe have just one spatial dimension? That's the mind-boggling concept at the heart of a theory that University at Buffalo physicist Dejan Stojkovic and colleagues proposed in 2010.