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Spacewalk showdown: firsts to mega-repairs
{"displaytitle": "Spacewalk showdown: firsts to mega-repairs", "minigame": [{"challengetype": "sequence", "challenge": "Drag these first-steps spacewalks into the right order: Leonov, White, Aldrin.", "clue": "Start with the Sovi…
NASA space suit gallery: from Gemini 4 to Mir 4
A person in an astronaut suit floating in space above the Earth.
How spacewalks went from risky to routine
{"displaytitle": "How spacewalks went from risky to routine", "shortaudio": {"script": "Walking to Olympus traces the history of extravehicular activity, better known as spacewalking, from the first Soviet and American spacewalks…
5 lunar EVA stats that still feel impossible
Apollo 11’s first lunar EVA lasted 2:32.
Summarize the key points and insights from the sources
The comprehensive history of extravehicular activity is meticulously documented in the publication Walking to Olympus: An EVA Chronology. This foundational text, authored by Dav
The machine that shouldn’t exist
In 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…
Pick bulbs that look good and cost less
Bright is lumens, cozy is Kelvin ✨ They are separate, so you choose both.
The day a deadly wave of molasses hit Boston
A 2.3 million gallon wave of molasses rushed through Boston streets at 35 miles per hour.
Test your screen tech IQ
Which display technology is famous for its paper-like reading experience and ultra-low power consumption? 📖
What the latest AI news is really signaling
AI is moving on three fronts at once: new model releases, bigger compute deals, and tighter regulation. Here are the updates worth watching right now. <sup class
Navigating FDA Clearance for AI‐Enabled Wearables: Regulatory Pathways, Clinical Evidence, and Post‐Market Surveillance
AI‐enabled wearable devices are increasingly becoming part of the medical device landscape, offering advanced functionalities ranging from continuous health monitoring to early diagnostic assistance. In the United States, manufac…
Real or fake: Can you spot the made-up phobia?
Easy mode: Everyone knows arachnophobia is the fear of spiders, but what about the fear of heights? 🧗
Why do your fingers wrinkle after being in water for a while?
Fingers wrinkle in water because your autonomic nervous system actively constricts blood vessels beneath the skin, rather than the skin simply absorbing water like a sponge <sup class='textcitation' sourceid='3' startphrase='prun…
Understanding Nunataks: The 'Pyramids' of Antarctica
Nunataks are unique geological formations found in polar regions, particularly in Antarctica and Greenland. The term 'nunatak' originates from the Greenlandic word meaning 'lonely peak,' referring to mountain summits that rise ab…
Freeze your credit and fix report errors fast
Your credit report can be wrong and your identity can be at risk at the same time. Here’s the practical playbook: pull your reports, spot the highest-impact errors, file disputes, and freeze your credit with the big bureaus when…
Google’s Genie 3, Trump’s AI pause, and search shifts
AI news is moving fast today: Google is turning text into live worlds, the White House just delayed a new AI review plan, and search itself is changing. Here are the must-know updates 👇 </
Mariner 1 and the fatal typo
{"displaytitle": "Mariner 1 and the fatal typo", "title": "The Mariner 1 Mission and the Most Expensive Hyphen", "postertitleimageprompt": "Create a dramatic cinematic movie poster in portrait orientation, 1024x1536, about NASA's…
How do brain chips change computing?
Brain chips, particularly those using organoid intelligence (OI), introduce a novel form of biological computing that may be faster, more efficient, and more powerful than silicon-based computing and AI, requiring only a fraction…