deka – Page 45 – Science Observer

New Materials: Graphene, Aerogel, and Other Wonders

In the last two decades, scientists have created and perfected materials with extraordinary properties, opening the door to new technologies and applications. Among the most fascinating are graphene, aerogel, and…

deka August 13, 2025

Cosmic Innovations New Discoveries Science

The Strangest Scientific Discoveries of the Last Decade

Over the past ten years, science has delivered breakthroughs that are not only groundbreaking but also deeply unusual. These discoveries challenge our understanding of the world and often seem more…

deka August 13, 2025

Be Smart Earth & Moon

The Earth’s Lithosphere: Structure, Function, and Importance

The lithosphere is the rigid outer shell of the Earth, encompassing the crust and the uppermost part of the mantle. It plays a critical role in shaping the planet’s surface,…

deka August 13, 2025

Be Smart Earth & Moon

The Earth’s Core: Structure, Composition, and Importance

The Earth's core is one of the most fascinating and mysterious parts of our planet. Hidden deep beneath the surface, it plays a crucial role in maintaining Earth's magnetic field,…

deka August 13, 2025

Be Smart Earth & Moon

The Earth’s Mantle

The mantle is a massive layer of rock located between the Earth's crust and core. It makes up about 84% of the Earth's total volume and plays a key role…

deka August 12, 2025

New Discoveries Science Space Stories

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