We’re continuing our investigation into the space elevator. ← Part I: from the Tower of Babel to Tsiolkovsky’s dream Part III: The Space Elevator in the 21st Century ⟶ Chapter 8. Down to Earth: Yuri Artsutanov’s revolutionary reversal The concept Konstantin Tsiolkovsky proposed in 1895 had one fundamental weakness: it assumed building the tower from […]
Astronomy 
Astronomy The Space Elevator: a staircase to the sky. Part I: from the Tower of Babel to Tsiolkovsky’s dream
← Part II: how a Dream Became an Engineering Calculation Part III: The Space Elevator in the 21st Century ⟶ Dear readers! Today’s piece isn’t a typical article — it’s a full investigation. We’ve already crossed into the second quarter of the 21st century. Once-unimaginable technologies are within reach, and we’re preparing for a flight […]

Radio Communication News UVB-76 (“The Buzzer”) records unprecedented burst of coded transmissions on June 24, 2026
On June 24, 2026, the mysterious shortwave radio station known as UVB-76 transmitted an unusually large number of encrypted voice messages, marking what monitoring communities describe as one of the most active days in its recent history. According to reports tracking the station’s activity via radio monitoring groups and dedicated Telegram channels, the station broadcast […]

Radio Amateur Radio Direction Finding (ARDF)
Amateur Radio Direction Finding (ARDF) is a special competitive outlet for those who want to combine the physical challenge of outdoor navigation with the technical puzzle of radio science. ARDF is an international amateur radio sport, colloquially known in many parts of the world as “fox hunting” or “transmitter hunting” . Participants use specialized radio […]

Radio Can walkie-talkies be tracked? Yes: the real cases
The walkie-talkie is so simple that it is generally assumed to be private as well. But is it so? Does someone listen to your conversations? Can a walkie talkie be tracked and used to reveal your location? Most importantly.To answer these questions, it’s useful to understand how these devices work in the first place. How […]

How to choose binoculars The Best Binoculars for Sporting Events in 2026
As a sports enthusiast, I understand the thrill of live sporting events. Whether you’re in the nosebleeds of a stadium or cheering from the sidelines of a local game, a good pair of binoculars can transform your experience, bringing the action right to your eyes. But with countless options on the market, how do you […]

Optic Katharine Blodgett: The Invisible Genius Who Illuminated the World
In the world of science, where the names of great men often overshadow the achievements of women, there are stories that deserve to be told with special passion and care. The story of Katharine Blodgett is one of them. Imagine Thomas Edison, whose inventions transformed everyday life—but now imagine a woman who, like him, revolutionized […]

How to choose Walkie-Talkie What is the best BAOFENG radio to Buy?
Baofeng has completely disrupted the two-way radio market. What was once an expensive hobby reserved for those with deep pockets is now accessible to everyone. Whether you are a prepper building your “go-bag,” a hiker wanting peace of mind, or a radio enthusiast looking to dive into the world of repeaters, there is a Baofeng […]

Binocular Guides How Far Can You See With 10x Binoculars?
The short answer: With 10x binoculars, an object appears 10 times closer than it does with the naked eye. A simple rule often used by optics experts is the “1000 to 100 rule”: something that is 1,000 yards away will look as if it were only 100 yards away through 10x binoculars. However, binoculars don’t […]

Astronomy News A Rare Sungrazing Comet May Light Up the Sky in April 2026
Astronomers are closely watching a newly discovered comet that could become one of the most exciting celestial events of 2026. The object, Comet C/2026 A1 (MAPS), is currently plunging toward the inner Solar System on a dramatic trajectory that will take it extremely close to the Sun in early April. The comet was discovered on […]




