What does a quantum Bayes’s rule look like?

7 min read
Analysis Scicomm Science Bayes's rule Bayesian network Bayesianism Choi operators commutativity completely positive trace-preserving map noise correction Physical Review Letters principle of minimum change probability quantum computing quantum information theory stochastic processes unitarity variational Bayesian inference

Bayes's rule is one of the most fundamental principles in probability and statistics. It allows us to update our beliefs in the face of new evidence. In its simplest form, the rule tells us how to…

Using 10,000 atoms and 1 to probe the Bohr-Einstein debate

9 min read
Analysis Scicomm Science Albert Einstein Bohr-Einstein debate complementarity Debye-Waller factor double-slit experiment hidden variables lasers Niels Bohr optical lattice optical tweezer Pan Jianwei quantum entanglement Quantum mechanics rubidium atoms scattered light uncertainty principle wavepacket Wolfgang Ketterle

The double-slit experiment has often been described as the most beautiful demonstration in physics. In one striking image, it shows the strange dual character of matter and light. When particles such…

Dispelling Maxwell's demon

12 min read
Analysis Scicomm Science arrow of time Charles Bennett decoherence Dennis Gabor entropy information theory James Clerk Maxwell Léon Brillouin Leo Szilard Maxwell's demon no-cloning theorem quantum entanglement quantum information Quantum mechanics Rolf Landauer Schrödinger's cat second law of thermodynamics unitarity wavefunction collapse

Maxwell’s demon is one of the most famous thought experiments in the history of physics, a puzzle first posed in the 1860s that continues to shape scientific debates to this day. I’ve struggled to mak…

CSIR touts dubious 'Ayurveda' product for diabetes

5 min read
Analysis Science Ayurveda Council of Scientific and Industrial Research Diabe-250 drug patent Indian Institute of Integrated Mecicine Innoveda Biological Solutions α-glucosidase inhibitors Ministry of AYUSH nutritional supplement Salacia type 2 diabetes

At 6 am on September 13, the CSIR handle on X.com published the following post about an "anti-diabetic medicine" called either "Daiba 250" or "Diabe 250", developed at th…

Is the Higgs boson doing its job?

12 min read
Scicomm ATLAS detector Benjamin Lee Chris Quigg deep learning deep neural networks electrons Higgs boson Higgs field Higgs mechanism Hugh Thacker Large Hadron Collider longitudinal polarisation muons neutrino oscillation neutrinos photons same-sign WW scattering Standard Model of particle physics technicolor theory transverse polarisation vector boson scattering W bosons weak nuclear force Z bosons

At the heart of particle physics lies the Standard Model, a theory that has stood for nearly half a century as the best description of the subatomic realm. It tells us what particles exist, how they i…