This 15th century codex is written in a completely unknown script that no one can read. Carbon dating confirms the vellum pages were created between 1404 and 1438. Handwriting analysis suggests the book was the work of five different scribes. It is filled with bizarre illustrations of unidentified p...
ViewAI’s hottest story right now: the race is not just about smarter models, but who gets the biggest partners, the biggest chips, and the most trust. Here are the latest developments worth watching. OpenAI is deepening ties with Amazon while its relationship with Apple is fraying, a sign that AI allian...
ViewThe world’s biggest headlines are moving fast today: Israel is widening its operation in southern Lebanon, hostages are coming home in Gaza, and Trump is reshaping U.S. politics again. Here’s the short version of what matters most. Middle East pressure point: Israel has ramped up military operations...
ViewIntroduction to Extravehicular Activity History The comprehensive history of extravehicular activity is meticulously documented in the publication *Walking to Olympus: An EVA Chronology*. This foundational text, authored by David S. F. Portree and Robert C. Trevino, was published in October 1997 as ...
ViewApollo 11’s first lunar EVA lasted 2:32. Neil Armstrong and Edwin Aldrin spent 2:32 on the first Moonwalk. Apollo 12’s second EVA became the first long, 1800-m lunar traverse. Apollo 15’s three traverses collected nearly 80 kg of samples. Apollo 17’s second EVA was the longest of the Apollo program,...
ViewWalking to Olympus traces the history of extravehicular activity, better known as spacewalking, from the first Soviet and American spacewalks in 1965 to the complex repairs and construction work of the 1990s. It shows how astronauts and cosmonauts learned, step by step, how to work safely and effect...
ViewA person in an astronaut suit floating in space above the Earth. https://askpandipro.s3.eu-west-1.amazonaws.com/users/1/documents/615/figures/0.png The NASA logo with a blue circle, white letters, and an orbiting spacecraft. https://askpandipro.s3.eu-west-1.amazonaws.com/users/1/documents/615/figure...
ViewLevel 1 (sequence): Challenge: Drag these first-steps spacewalks into the right order: Leonov, White, Aldrin. Hint: Start with the Soviet first, then the first U.S. EVA, then the first successful complex EVA on Gemini 12. Answer: Leonov, White, Aldrin Context: Boom. You just marched from the first E...
ViewHis visor fogged, sweat poured, and Cernan was barely hanging on 😮💨 Gemini 9's spacewalk got rough fast The plan was huge: retrieve a package, then fly the AMU backpack out to 45 meters 🚀 But the tether, suit, and workload fought back Cernan said he was spending half his effort just staying in p...
ViewIlya the EVA Planner on Orlan vs. EMU and station EVAs: If you want the real EVA story, I can compare Orlan and EMU the way planners do. We can talk suit design, airlocks, umbilicals, training, and what happens when the timeline starts to slip....
ViewEVA risk timeline Ed White called it “the saddest moment of my life” when he had to return to Gemini 4. Reentry is where EVA risk flips: the umbilical limits distance, but procedure decides the return....
ViewQ1. 1) 🧰 Which tool did Svetlana Savitskaya test during the first EVA by a woman, on Salyut 7? - URI electron beam cutting, welding, soldering, and brazing tool - MMU maneuvering unit - Lunar Equipment Conveyor - Portable Foot Restraint Answer: URI electron beam cutting, welding, soldering, and bra...
ViewDuration: 8:29 The first astronaut to "go EVA" beyond the protective envelope of Earth's inner magnetosphere. The LRV reached its highest speed on the Moon 22 kph 13 mph. minus 148 deg C minus 130 deg F The world's first egress into open space by a woman cosmonaut has been made by Svetlana Savitskay...
ViewIn 1901, divers off Greece found the Antikythera Mechanism in a shipwreck, and it proved to be a hand-powered astronomical calculator with more than 30 bronze gears. Its gears were used to model the motions of the Sun, Moon, and known planets, and to predict eclipses and other celestial cycles. For ...
ViewBright is lumens, cozy is Kelvin ✨ They are separate, so you choose both. For living rooms and bedrooms, 2700K to 3000K feels warm and relaxed 🌙 For kitchens, baths, and work areas, 3500K to 5000K gives clearer task light. Match the base before you buy 🔌 E26 is the common U.S. medium base, while E...
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