Lasing of a cavity-based X-ray source
Shortly after the free-electron laser (FEL) concept was proposed in the 1970s11, the first FEL oscillator was developed12…
Record-Breaking Cosmic Burst Caused by Stellar-Mass Black Hole Shredding Its Companion
Using data gathered by a suite of space- and ground-based telescopes, astronomers have discovered AT 2024wpp, the most…
Self-compressed waveform-stable light transients enabling water-window attosecond spectroscopy
We first demonstrate the creation and field-resolved characterization of light transients, focusing on generating sub-cycle pulses. For this…
Intermediate-Mass Black Hole Caught Eating Star in NGC 6099
The newly-discovered intermediate-mass black hole, named NGC 6099 HLX-1, resides in a compact star cluster on the outskirts…
Physicists Blow Up Gold With Giant Lasers, Accidentally Disprove Renowned Physics Model
Scientists equipped with giant lasers have blown up gold at SLAC National Accelerator Laboratory, heating it to 14…