In Viet Nam, an Army photographer shoots sharp reconnaissance pictures despite the vibration of his small observation plane. From a shaky and make shift platform in Washington, a TV camera crew gives ...

A new way of bending X-rays raises the prospect of smaller, more powerful X-ray space telescopes. Based on technology originally developed for medical imaging machines, Stacked Prism Lens are being ...

Redshift, blueshift Scientists have for the first time demonstrated a reversal of the optical Doppler effect, an advance that could lead to the development of 'invisibility cloak' technology. The ...

The Wordle word of the day on December 25 was prism, a word that feels almost unfairly elegant for something so relentlessly honest. A prism exists to intervene between appearance and understanding, ...

Scientists trying to save fish populations in the murky St. Johns River have stumbled over a bright idea from a 19th century shipbuilder: Harness the light-bending power of glass prisms to illuminate ...