Science
Pulsar's 42-light-year X-ray tail explains mysterious gamma rays
The trail behind PSR J1740+1000 is the longest known and lines up with radiation that had no identified source.
Topic
X-rays
All stories tagged “X-rays.”
2 stories
Science
Scientists burned replica scrolls to learn to read Herculaneum ones
Replica papyri written with lead-laced ink were charred in a furnace, and the text stood out clearly on X-ray scans.