An X account of Gunter Krebs, who identifies himself as a spaceflight historian and analyst, physicist and editor of Gunter's Space Page. The profile states he is also reachable on Mastodon.
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Official NASA X account for the Webb space telescope. The account states the telescope launched on Dec. 25, 2021, and that its first images were revealed on July 12, 2022.
ESA Webb Telescope is the official European Space Agency X feed for the James Webb Space Telescope, an international partnership between NASA, ESA and CSA. It uses the hashtags #WebbSeesFarther and #BFFinSpace with @Hubble_Space.
Space Telescope Live is an X account that provides up-to-date information on current, past and future observations from the Hubble Space Telescope and the NASA Webb telescope. It asks what the two telescopes are looking at right now and links to spacetelescopelive.org.
SpaceWeather.com presents news and information about solar flares, geomagnetic storms, auroras, meteor showers, and near-Earth asteroids. The page displays current solar wind speed and density, X-ray solar flare levels, the daily Sun image, sunspot number, auroral oval, planetary K-index, and interplanetary magnetic field data.
TracesOfWar is described as a leading non-profit World War II database at tracesofwar.com. Its X account offers an app to discover and explore history around the corner and also has a Dutch-language account.
Visualizing SEP is an interactive visualization and search engine for exploring the Stanford Encyclopedia of Philosophy. Each search result is shown within a network graph of directly linked articles. The site is optimized for Chrome on desktop; mobile platforms and resolutions under 1280 x 720 are not supported.
A proof checker and editor for Fitch-style natural deduction systems used in introductory logic textbooks, following the system in forall x: Calgary. It offers a proof editor, sample exercise sets, instructions and rules, with syntax options for truth-functional logic and first-order logic.
Build your own X is a GitHub repository or organization with source code, releases, documentation, or project resources.
Tagaini Jisho is a free, open-source Japanese dictionary and kanji lookup tool for Windows, MacOS X and Linux. It supports searching vocabulary and kanji entries, tagging and personal notes, flashcard-like training, and printing foldable pocket booklets for offline study. It includes stroke order animations for more than 6000 kanji.
Half Cat Rocketry is an X account with 730 posts describing itself as lowering the barrier to entry into amateur liquid rocket engines. The account links to HalfCatRocketry.com and was joined in July 2021.
Boeing 737 Technical is an X account that serves as a stream for The Boeing 737 Technical Site. It shares news, articles, technical information and photos of all models of the Boeing 737.
Universidad Alfonso X El Sabio down in Villanueva de la Cañada, Spain is pretty great for Pharmacology, Toxicology and Pharmaceutics and Medicine.
Airport Webcams is an X account that maintains a large database of live airport webcam feeds. The database includes over 2,600 active webcams indexed by name, type and region, alongside a special liveries database and an airport live show database.
Update Faker is a harmless prank website that displays fake system update screens for multiple operating systems including Windows 10, Windows 11, Windows XP, Windows 98 and Apple Mac OS X. It is designed to prank friends, family or colleagues who leave their computers unattended, with optional fullscreen mode and bluescreen of death effects for added immersion. The site states pranks should not be harmful or last long.
Matt Freed is an X account with posts from a person describing himself as a robotic arms dealer at Tetradynamics and a reindustrialist, previously co-founder of K-Scale Labs, based in San Francisco.
Seats.aero is described as a search engine for award travel. The listing says it allows users to explore flights and hotels across regions and search with instant results. It is based in San Francisco, CA, and its X account has 55 posts and 6,303 followers.
Tech Xplore is a news website operated as a division of the Science X Network. It publishes news articles, feature stories and reports covering the latest advances in engineering, electronics and technology. Its content includes updates on research and developments across related fields such as energy, robotics, artificial intelligence and materials science.
The Flight Safety Foundation X account describes the organization as a voice of safety for the global aerospace and aviation community and encourages membership. The account is based in Alexandria, VA, joined in March 2009, and had 2,889 posts.
X-Magazín is a magazine publishing features, commentary and specialist editorial coverage in Czech Republic.
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