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Sci-Tech

China's quantum communication satellite delivered for use

China's quantum communication satellite, launched last August, is officially operational after four months of in-orbit testing, the Chinese Academy of Sciences (CAS) said Wednesday. Testing of the satellite, payloads and space-ground links have been completed, the CAS said, adding that everything was operating properly. The Quantum Experiments at Space Scale (QUESS) satellite is the first-ever space-ground test platform for quantum communication, said Wang Jianyu, executive deputy chief…

The science behind the Lunar Hydrogen Polar Mapper mission

Arizona State University's NASA mission to visit a metal asteroid is just beginning, but the first mission that marked the school as a major player in space exploration has been under way for more than a year. LunaH-Map, the Lunar Hydrogen Polar Mapper, will launch in September 2018. Its task will be to find water and ice at the south pole of the moon, and map the deposits. ASU Now spoke with principal investigator Craig Hardgrove, an assistant professor in the School of Earth and Space…

NASA to rely on Soyuz for ISS missions until 2019

If NASA intends to continue sending astronauts to the International Space Station (ISS) or the moon, the space agency has little choice but to rely on Roscosmos' Soyuz spacecraft, at least until 2019.On Tuesday, NASA filed a "presolicitation" requesting that private firms reach out to NASA if they can transport astronauts to and from the orbital research platform. NASA is "considering contracting" with Boeing on a noncompetitive basis, primarily because there may not be a suitable alternative. The…

Extreme space weather-induced blackouts could cost US more than $40 billion daily

The daily U.S. economic cost from solar storm-induced electricity blackouts could be in the tens of billions of dollars, with more than half the loss from indirect costs outside the blackout zone, according to a new study. Previous studies have focused on direct economic costs within the blackout zone, failing to take into account indirect domestic and international supply chain loss from extreme space weather. "On average the direct economic cost incurred from disruption to electricity…

Small intestine GIST associated with better prognosis in younger patients

Gastrointestinal stromal tumors (GIST) are tumors that arise is the wall of the digestive tract, and most often occur in the stomach or small intestine. Though more common in later in life, GISTs can occur in adolescents and young adults (AYA) under 40 years old as well. Researchers report findings from the first population-based analysis of AYA patients with GIST. Source link

Deal Of The Day: VPNSecure, Lifetime Subscription, At 91% Off

With the Russians now officially having hacked the DNC, talk of cybersecurity is in the air; if the DNC can get hacked, anyone can, right? And while the VPNSecure, Lifetime Subscription won’t necessarily prevent you from getting hacked, it will give you an extra layer of anonymity and security online. Internet threats are a real thing – and surfing the Web on a public connection can result in your personal data falling into the wrong hands. This deal offers you a lifetime of protection so you can explore the Internet…

DC This Week – Jessica Cruz: Strongest Hero in the DCU

page from Green Lanterns #15, which has an optimistic and hopeful ending for Jessica CruzWe’re trying something new this week and separating the comics by our grades, so our top picks are up front. Our Grade A comics this weeks are a varied lot, but at the top of the list is tremendous Green Lanterns #15 which focuses on how Jessica deals with her anxiety disorder. This is a story that should resonate with anyone who’s ever suffered from anxiety and also provide a window into what it feels like for those who don’t. There’s…