TOPIC
3 Stories Published
Cosmic rays
Physics
9m
How Cosmic-Ray Muons Measure Ocean Tides From Inside a Tunnel
A Korean team used cosmic-ray muons to follow the tide above an undersea tunnel, resolving about a meter of seawater. How it…
Research
8m
IRAS 18293-0941: The Milky Way’s First Microblazar Candidate and the Case for a PeV Accelerator
Astronomers announced the Milky Way’s first microblazar candidate, a black hole jet aimed near Earth. Here is how it was found, what…
Build It
7m
Build a Diffusion Cloud Chamber and Watch Cosmic-Ray Tracks
A parts list, build steps and safety notes for a dry-ice diffusion cloud chamber, plus a guide to telling muon, electron and…