SpaceX is about to go public. Here’s how it works
Hundreds of companies raised a combined $70 billion by selling shares to the public in the United States last year.
Physics
Upgraded SpaceX Starship set for test launch ahead of IPO
Elon Musk’s SpaceX is set for the debut launch of its latest Starship iteration on Thursday, testing the most powerful version yet of the megarocket as the company targets a blockbuster initial…
New Eruption in the Bismarck Sea
Satellite imagery shows a surge of new volcanic activity in the ocean near Papua New Guinea.
Shell formation and two-dimensional nanofriction in three-dimensional ion Coulomb crystals
arXiv:2512.03833v3 Announce Type: replace
Abstract: Self-organized three-dimensional (3D) ion Coulomb crystals in linear Paul traps naturally form concentric shells that provide a curved, atomically…
Geometry-Controlled Exciton Selectivity in Monolayer MoS2 Using Plasmonic Hollow Nanocavities
arXiv:2603.07732v2 Announce Type: replace
Abstract: Spectral control of closely spaced excitonic transitions is central to valleytronic photonics, nanoscale light sources, and wavelength-encoded…
Ultra-Confinement of Polaritons in Single Atomic Layer Ag Photonic Quantum Dots
arXiv:2605.21345v1 Announce Type: cross
Abstract: Light scattering by two-dimensional (2D) van der Waals heterostructures (vdWHs) is immense, especially given their infinitesimal volume, thus…
Linear Acceleration Is a Primary Risk Factor for Concussion and a Target for Prevention
arXiv:2507.09098v5 Announce Type: replace
Abstract: Head impacts can cause concussion, but the precise biomechanical conditions that produce injury remain uncertain. Rotational acceleration has long…
EPC-3D-Diff: Equivariant Physics Consistent Conditional 3D Latent Diffusion for CBCT to CT Synthesis
arXiv:2605.20470v1 Announce Type: cross
Abstract: Cone-beam CT (CBCT) is routinely acquired during radiotherapy for patient setup, but its quantitative reliability is degraded by scatter, noise, and…
Thermodynamic and structural behavior of one-dimensional divalent patchy hard rods: Wertheim’s first-order thermodynamic perturbation theory versus exact results
arXiv:2605.21003v1 Announce Type: cross
Abstract: We investigate the thermodynamic and structural properties of divalent patchy hard rods confined to a one-dimensional channel by modeling the…
Spatial Activity Opportunity Fairness among Elderly Residents in Nagoya: A Comparative Analysis across Three Wards with Different Rent Levels
arXiv:2605.20280v1 Announce Type: new
Abstract: Population aging has made the daily mobility of older adults an increasingly important issue for urban planning and transport research. While previous…