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General physics/quantum physics [ edit ] Perform a loophole-free Bell test experiment (1970 [ 100 ] –2015): In October 2015, scientists from the Kavli Institute of Nanoscience reported that the failure of the local hidden-variable hypothesis is supported at the 96% confidence level based on a "loophole-free Bell test" study.
This article is a list of notable unsolved problems in astronomy.Problems may be theoretical or experimental. Theoretical problems result from inability of current theories to explain observed phenomena or experimental results.
2 Mathematics, statistics and information sciences. 3 Social sciences and humanities. ... Unsolved problems in physics; Mathematics, statistics and information sciences
Many mathematical problems have been stated but not yet solved. These problems come from many areas of mathematics, such as theoretical physics, computer science, algebra, analysis, combinatorics, algebraic, differential, discrete and Euclidean geometries, graph theory, group theory, model theory, number theory, set theory, Ramsey theory, dynamical systems, and partial differential equations.
It’s perhaps Rio de Janeiro’s hardest trail, featuring one particularly daunting section requiring a perilous scramble that can cause hikers to freeze up with fright. Da Luz had been waiting ...
Goldbach’s Conjecture. One of the greatest unsolved mysteries in math is also very easy to write. Goldbach’s Conjecture is, “Every even number (greater than two) is the sum of two primes ...
atmospheric physics is the application of physics to the study of the atmosphere; space physics is the study of plasmas as they occur naturally in the Earth's upper atmosphere (aeronomy) and within the Solar System; biophysics, studying the physical interactions of biological processes; chemical physics, the science of physical relations in ...
Christmas can already be stressful enough. The last thing you want is anxiety about your pet's health. Here's how to cat-proof your home this holiday.