deepai Gravity feels reliable — stable and consistent enough to count on. But reality is far stranger than our intuition. In truth, the strength of gravity varies over the Earth’s surface. And it is weakest…
Synthesis of a Near-Infrared Light Absorbing Macrocyclic Aromatic…
A ring-expanded porphyrin with no meso-bridges comprised of an odd number of pyrroles was successfully synthesized via the oxidative coupling of the corresponding terpyrrole. Porphyrins, which are well-known natural porphyrin molecules, e.g. heme and chlorophyll,…
New report on guidance documents seeks to make…
BY Ann Shaffer MADISON - Few Americans understand the extent to which an obscure public-policy tool known as a guidance document affects their daily lives. Regularly issued by federal agencies, these documents explain how to…
Two high-school teams from Italy and Mexico win…
Geneva— Two teams of high-school students from the Liceo Scientifico Statale “A. Scacchi” (Bari, Italy) and from the Esculea Nacional Preparatoria “Plantel 2” (Mexico City, Mexico) have won the prestigious CERN Beamline for Schools competition. The prize this year is a…
NASA Extends Cyclone Global Navigation Satellite System Mission
NASA has awarded a contract to the University of Michigan for the Cyclone Global Navigation Satellite System (CYGNSS) for mission operations and closeout. A constellation of eight microsatellites, the system can view storms more frequently…