Issues
From the Editor
Readers’ Forum
Search and Discovery
Father of optical trapping awarded a share of the Nobel Prize in Physics
Optical tweezers have endured as an invaluable laboratory tool for manipulating molecules and other small particles.
Half of Nobel Prize in Physics honors the inventors of chirped pulse amplification
The laureates circumvented an intrinsic limitation in laser technology to develop an amplification protocol now found in nearly every high-power, ultrafast system.
Chemistry Nobel winners harnessed evolution to teach old proteins new tricks
The combination of diversification and selection has proved a powerful recipe for creating enzymes and drugs.
Issues and Events
US nuclear industry fights for survival
A glut of cheap natural gas, coupled with rapid increases in wind energy, is accelerating a decline in the US commercial nuclear industry when carbon-free energy has never been more important.
Belgium presses on with accelerator-driven research reactor
Safer nuclear reactors or misguided promises? A new facility will put to test the old idea of using external neutrons to power fission.
Articles
Measuring cosmic distances with standard sirens
The gravitational waves accompanying the merger of two massive compact objects encode the distance to the merger without the usual appeal to a hierarchy of length scales.
On science in a small country
Wales tends to fall by the wayside in narratives about the history of science, but its stories complicate and enrich our picture of science’s past and future.
A new type of tropical Pacific warming—El Niño Modoki
A familiar climate anomaly turns out to have a recently recognized relative.
Books
New Products
Obituaries
Robert Paul Behringer
Maxime Dahan
Quick Study
The annoying dripping tap
The surface of a pool of water hit by a falling drop acts like an acoustic speaker driven by a pulsating underwater bubble.