Wat is emergentie? DoorHolly Du Plessis6 min…Bedenk dat een glas water ongeveer 1024 moleculen bevat! 3. Wrijving. Wrijving is een emergente kracht. Elementaire deeltjes ondervinden namelijk geen wrijving. De vier fundamentele krachten tussen deeltjes behouden de…
Geen categorieLesmateriaal Relativiteitstheorie DoorMarcel Vonk2 min…beantwoorden we graag. Stuur daarvoor een e-mail naar info-apestaartje-quantumuniverse-punt-nl, of stel de vraag op ons forum. Afbeelding blokkenschema: “Spacetime curvature“. Licensed under Creative Commons Attribution-Share Alike 3.0 via Wikimedia Commons….
MaterieHedy Lamarr DoorSumedha Biswas10 min…foundation for modern-day wireless communication. Everything we use today is based off her idea, in one form or another, and she deserves to be applauded for it. Hedy lived a…
Serie: Students on ScienceHeelalWhy relativity needs a quantum makeover DoorAmélie OrbanDeel 510 min…Hawking radiation. Image by the author. The prediction of Hawking radiation is a very solid prediction, but it remains an approximate theoretical result. To better understand this phenomenon, and its…
Serie: Students on ScienceMaterieDRESDYN: From science to society DoorSophia SchnauckDeel 112 min…André Wirsig. From science to society: why research facilities like DRESDYN matter for our future Introduction Large scale research facilities form a key component of modern scientific research. Large amounts…
HeelalBlack hole horizons: assembly instructions DoorChristian Ventura Meinersen8 min…will also find instructions for how to build near-horizon regions yourself at home! The relativity of Hawking radiation The usual explanation for Hawking radiation is that particle-antiparticle pairs are created…
Serie: String Gravity à la FeynmanDeeltjesQuantum Doodles DoorChristian Ventura MeinersenDeel 110 min…we find two of these vertices, hence we have \( q^2 \) in our expression for the probability. Keep this in mind for the next section! The photon propagator is…
HeelalA polarized view on the X-ray universe DoorMózsi Kiss10 min…from the United States, Sweden and Japan is just getting ready to launch XL-Calibur, a balloon-borne high-energy polarimeter. XL-Calibur is a so-called Compton telescope, based on the principle that for…
Serie: Quantum gravity - the good, the bad and the uglyGeen categorieSuperstring theory DoorChristian Ventura MeinersenDeel8 min…hand, are force-carrying particles, like the photon, that mediate the forces between particles. Importantly, these two types of particles have radically different behavior. For instance, fermions don’t like to sit…