Dark matter is a mysterious, invisible substance that makes up about 27% of the Universe’s total energy content. We cannot see it directly, only infer its presence through the gravity it exerts. For decades, cosmologists have described dark matter haloes as the invisible scaffolding within which galaxies form and live. Every galaxy, including our own […]
New research numerically demonstrates how carefully structured materials can control light in ways that are both precise and robust. It brings together ideas from photonics and topology to show how a laser can emerge from the boundary between two distinct optical regimes. The physical system considered in the study is a bilayer photonic crystal. A […]
Condensed matter • DIPC Advanced materials • Materials • Quantum physics
Every time a computer processes information, electrons shuttle through circuits carrying electric charge, and much of the energy they carry is wasted as heat. Spintronics proposes a different approach: instead of relying solely on the charge of electrons, exploit another of their properties called spin, a quantum-mechanical quantity that can be thought of as a […]
Condensed matter • DIPC Electronic Properties • Materials • Quantum physics
Imagine taking two identical sheets of chicken wire and laying them on top of one another. If you align them perfectly, they look like a single sheet. But if you rotate the top layer by just a tiny amount, a beautiful large-scale crawling pattern emerges. In physics, we call this a Moiré pattern. When we […]
Chemistry • DIPC Biochemistry • Evolution • Geosciences • Materials
The classic chemical garden experiment is a staple of introductory chemistry, where colorful, plant-like structures sprout from metal salt crystals dropped into a solution of sodium silicate. While these vibrant tubes look like biological life, they are entirely inorganic, driven by the physics of osmosis and the chemistry of precipitation. For decades, scientists have admired […]
When we peel a crystal down to its very last layer, the physics governing its behavior undergoes a radical shift. This transition from the bulk (three-dimensional) to the two-dimensional limit is where some of the most exotic phenomena in condensed matter physics emerge. Among these, Titanium Diselenide, or TiSe₂, has long fascinated researchers because of […]
When we look at the night sky, we see a scattered collection of stars and galaxies, but to an astrophysicist, these are merely the glowing foam on the crest of a much deeper, invisible ocean. The vast majority of the matter in our universe is dark matter, a substance that does not emit, absorb, or […]
In the world of organic chemistry, some rules are taught as absolute boundaries. One of the most famous is Bredt’s rule, a guideline that has dictated the limits of molecular architecture for nearly a century. This rule essentially places a “keep off the grass” sign on certain parts of a molecule, specifically forbidding the formation […]
Condensed matter • DIPC Advanced materials • Materials • Quantum physics
When we study solid-state physics, we usually begin with crystals. In a crystal, atoms repeat in a strict and regular pattern, much like tiles on a bathroom floor. Because every small region looks the same as every other, electrons move through a predictable landscape. This repeating order is the reason we can explain electricity, magnetism […]
If you’ve ever sat by a quiet pond and tapped the surface of the water with your finger once every second, you’d expect to see a ripple travel outward once every second. In the world of classical physics, the effect follows the cause in a predictable, rhythmic march. But imagine for a moment that you […]