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New Simulation Framework Bridges Atomic and Large-Scale Physics in Fusion Research Extreme Conditions Inside Inertial Confinement Fusion In inertial confinement fusion, a tiny fuel capsule starts out at near-zero temperatures and under almost vacuum-like pressure. When powerful lasers compress the fuel to initiate fusion, it is rapidly heated to millions of degrees and squeezed to pressures comparable to those at the Sun's core   —  all within an extraordinarily small space and an instant of time. To make sense of this extreme transformation, scientists must understand large-scale conditions such as temperature and pressure across the entire target chamber. At the same time, they require detailed insight into the behaviour of the material and its individual atoms . Until recently, computer simulations have struggled to connect these vastly different scales and conditions within a single model. Related fusion and physics coverage: Advanced energy and fusion science New Sim...

World's First Milky Way Simulation Models 100 Billion Stars With Record-Breaking Speed Groundbreaking Milky Way Simulation Achieved Researchers have achieved the world's first Milky Way simulation capable of accurately modelling more than 100 billion individual stars across a span of 10,000 years. This breakthrough, driven by a fusion of artificial intelligence and numerical techniques, delivers a model 100 times more detailed than previous efforts — and completes the task over 100 times faster. * ➤  Latest Space Science News The study, published in the Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis, demonstrates a major breakthrough at the nexus of astrophysics, supercomputing, and AI. Its methodology may also be harnessed to model broader systems such as climate trends and meteorological shifts. Challenges of Simulating the Milky Way Astrophysicists have long sought to simulate the Milky Way at the level of individ...