deka – Page 7 – Science Observer

Neutrinos and Ghost Particles: Why Scientists Study Them

Neutrinos are subatomic particles with no electric charge and an extremely small mass. They interact so weakly with matter that trillions pass through your body every second without leaving a…

deka August 11, 2025

Cosmic Innovations Hi-Tech New Discoveries

How Space Suits Are Made

A space suit — or extravehicular mobility unit (EMU) — is more than just clothing. It’s a self-contained life support system, acting as a miniature spacecraft that protects astronauts from…

deka August 7, 2025

Hi-Tech Science

How Satellites Transmit Signals

Every time you watch satellite TV, check the weather forecast, or use GPS, you're interacting with signals sent from space. Artificial satellites orbiting Earth play a key role in global…

deka August 7, 2025

Earth & Moon History Space Stories

How the First Satellite Was Launched

On October 4, 1957, the world changed forever when the Soviet Union launched Sputnik 1, the first artificial satellite to orbit Earth. This moment marked the beginning of the space…

deka August 7, 2025

Earth & Moon History Space Stories

The First Cosmonauts

The early 1960s marked a turning point in history: humans began to leave the planet. The first cosmonauts (a term used in the Soviet space program) were not only explorers…

deka August 7, 2025

History Space Stories

The History of Human Spaceflight

The story of cosmonautics — also known as human spaceflight — is one of the most remarkable chapters in modern history. It began with ideas from science fiction, advanced through…

deka August 7, 2025

Earth & Moon History Space Stories

The First Moon Landing

On July 20, 1969, millions of people across the globe watched in awe as Neil Armstrong stepped onto the surface of the Moon, delivering the iconic words: "That's one small…

deka August 7, 2025

Cosmic Innovations Hi-Tech New Discoveries

We are living in a revolutionary era of space technology. Once dominated by government agencies and Cold War politics, modern space activity now includes private companies, global collaboration, robotics, and…

deka August 7, 2025

Cosmic Innovations Science Space Stories

Rockets: The Engines of Space Exploration

A rocket is a vehicle or device that moves by expelling gas out of a nozzle at high speed, based on Newton’s Third Law of Motion: “For every action, there…

deka August 7, 2025

AI Neuro-Tech Science

Puzzle Encoding: The Art of Information Obfuscation

Puzzle encoding is a method of transforming information into a form that resembles a disassembled puzzle, making it difficult to interpret unless properly reconstructed. While not a formal cryptographic standard,…

deka August 7, 2025