Abstract: A new, computer-generated, optical element called a kinoform is described. This device operates only on the phase of an incident wave and forms a single image by wavefront reconstruction ...

Jan. 8, 2025 — A new study finds that one of the hottest periods in Earth's history may have driven lampreys apart -- genetically speaking. The work could have implications for how aquatic ...

File image/ AP Six weeks into a ceasefire that halted the war between Israel and Hezbollah, many displaced Lebanese whose homes were destroyed in the fighting want to rebuild — but reconstruction and ...

Jan. 15, 2025 — A groundbreaking study finds evidence that land was inherited through the female line in Iron Age Britain, with husbands moving to live with their wife's community. This is ...