Science

Multiply entangled: The new magnetic field-free error correction method uses polarized microwave pulses to entangle the spin of a nitrogen atom’s electron with the nuclear spins of two neighbouring carbon isotopes and the nitrogen itself. (Courtesy: iStock/Traffic-Analyzer) Researchers in Japan have developed a way of correcting errors in quantum operations without applying a magnetic field.

WASHINGTON — The Canadian government announced May 9 that it is joining the United States in banning tests of destructive direct-ascent antisatellite weapons as a step toward norms of responsible behavior in space. In a tweet, the Permanent Mission of Canada to the United Nations in Geneva announced that Canada would abide by the non-binding

Defense Department and Space Force leaders have increasingly emphasized space resilience as the key to space superiority. Previous efforts developed taxonomies for space resilience and considered differences between mission resiliency and system resiliency. In 2016, then deputy assistant secretary of defense for space policy, Douglas Loverro, specified six major investment areas to enhance space resilience:

WASHINGTON — NASA officials say they believe the latest effort to shut down an airborne observatory is more likely to be successful because of the endorsement of doing so by last year’s decadal survey. NASA’s fiscal year 2023 budget proposal called for shutting down the Stratospheric Observatory for Infrared Astronomy (SOFIA), a Boeing 747 with

HELSINKI — A Chinese launch startup sent a small rocket test stage up to an altitude of one kilometer Friday before a performing a powered descent and vertical landing. Deep Blue Aerospace, founded in 2017, conducted the test May 6 with the Nebula M1 test article at a facility at Tongchuan, Shaanxi Province, landing within

Elekta’s treatment planning system Monaco enables the clinical team to successfully implement adaptive radiotherapy (ART) workflows on the Versa HD linac Into the ART workflow: the Santa Chiara radiation oncology team (above) uses Elekta’s Atlas-based Autosegmentation (ABAS) software for fast H/N contouring of OARs, bony structures and air cavities. The auto-contouring and CT image set

WASHINGTON — Two federal agencies in a turf battle over commercial spaceflight investigations say they are now talking with each other to better define their roles and responsibilities. The National Transportation Safety Board (NTSB) triggered the debate when it published a notice of proposed rulemaking in November 2021 to codify the role it would take

WASHINGTON — Small launch vehicle developer Astra says it is ready to perform a series of launches for NASA once it receives a license for those missions. In a May 5 earnings call, Astra executives said they were ready to perform the first of three launches of its Rocket 3.3 vehicle from Cape Canaveral Space

In this episode of the Physics World Weekly podcast the Ukrainian glass artist and architect Oksana Kondratyeva talks about the long tradition of stained glass making in Ukraine and how the country’s artistic and historical heritage is threatened by the Russian invasion. This episode is part of our ongoing coverage of the International Year of

TAMPA, Fla. — Increasing costs and delays have forced Telesat to downsize plans for 298 low Earth orbit satellites by a third to keep within its $5 billion budget. The Canadian satellite operator plans to order just 188 satellites plus 10 in-orbit spares from Thales Alenia Space, Telesat CEO Dan Goldberg said during the company’s

WASHINGTON — NASA and Boeing say they’re confident they have resolved a valve issue that delayed a test flight of the company’s CST-100 Starliner commercial crew vehicle last year and are ready to try again later this month. Boeing moved the Starliner spacecraft from a processing facility at the Kennedy Space Center May 4 to

SAN FRANCISCO – The National Oceanic and Atmospheric Administration is holding a series of meetings next week with potential government, academic and industry partners to discuss the agency’s plan to evaluate emerging satellite and ground architecture technologies. NOAA released three Broad Agency Announcements April 29. Two of the BAAs focus on satellite sensors: one to

SAN FRANCISCO — Adding microwave sounders to its constellation will not push back the timeline for startup Tomorrow.io to begin gathering weather data via satellite. By the end of 2024, the Bostin-based startup plans to have a constellation in orbit acquiring radar and microwave observations. Tomorrow.io announced plans in March to add microwave sensors to

SuperView Neo-1 first 30 cm pictures show the McCarran International Airport in Las Vegas of USA and Qatar’s capital Doha. The satellites are in-orbit testing and calibration by China Siwei Surveying and Mapping Technology Co., Ltd(China Siwei). China Siwei’s newest commercial imaging satellites SuperView Neo-1 01 and 02 were successfully launched into space Apr. 29 aboard

TAMPA, Fla. — Echostar says satellite builder Maxar Technologies won’t deliver its long-awaited Jupiter-3 satellite in time for its end-of-year launch on a Falcon 9 rocket. The head of EchoStar’s Hughes Network Systems said in a May 5 earnings call that the satellite, which it badly needs to relieve broadband capacity constraints in the Americas,

WASHINGTON — A Crew Dragon spacecraft splashed down in the Gulf of Mexico May 6, returning four astronauts to Earth after nearly six months on the International Space Station. The Crew Dragon spacecraft Endurance splashed down off the coast from Tampa, Florida, at 12:43 a.m. Eastern, after a normal reentry. Recovery teams placed the spacecraft