Science Observer

Earth’s Core: Structure and How It Was Discovered

The core of Earth is the central part of our planet, lying beneath the mantle and making up about one-third of Earth’s total mass. It is divided into two distinct…

deka September 28, 2025

Be Smart Science

Silver: Properties, Uses, and Importance

Silver is a chemical element with the symbol Ag and atomic number 47. It is a precious metal known for its bright luster, high conductivity, and antimicrobial properties. Silver has…

deka September 28, 2025

Be Smart History

Robert Bartini: The Visionary Aircraft Designer

Robert Ludvigovich Bartini was born in 1897 in Fiume, then part of the Austro-Hungarian Empire (today Rijeka, Croatia). Coming from a noble Italian family, he showed early interest in engineering…

deka September 28, 2025

Be Smart History Tesla

Nikola Tesla: Biography and Inventions

Nikola Tesla was born on July 10, 1856, in Smiljan, a village in the Austrian Empire (modern-day Croatia). From a young age, Tesla showed remarkable memory and imagination, often visualizing…

deka September 28, 2025

Be Smart Science

Sounds: Vibrations That Shape Our World

Sound is a type of energy created by vibrations that travel through a medium, usually air, water, or solid materials. These vibrations create waves that our ears and brain interpret…

deka September 28, 2025

Be Smart Science

Chladni Figures: Visualizing Sound Waves

Chladni figures are patterns formed by particles, such as sand or salt, on a vibrating surface like a metal plate. As the plate vibrates at specific frequencies, the particles move…

deka September 27, 2025

Be Smart Science

Echolocation: Navigating with Sound

Echolocation is a biological sonar system used by some animals to navigate and hunt. By producing sounds and listening to the returning echoes, animals can detect objects, measure distances, and…

deka September 27, 2025

Hi-Tech Science

Nuclear Power Plant with a Closed Cycle

A closed-cycle nuclear power plant is a type of nuclear facility where the nuclear fuel cycle is designed to reuse materials and minimize waste. Unlike the traditional open cycle, in…

deka September 27, 2025

Be Smart Hi-Tech Science

How to Turn Wind into Electricity

Wind energy is a form of renewable energy that converts the kinetic energy of moving air into usable electricity. It is one of the fastest-growing energy sources in the world,…

deka September 27, 2025

Be Smart Hi-Tech New Discoveries

Geothermal Energy: Power from Earth’s Heat

Geothermal energy is a form of renewable energy that harnesses heat stored beneath Earth’s surface. This heat originates from the planet’s formation and the natural radioactive decay of minerals in…

deka September 27, 2025

Earth’s Core: Structure and How It Was Discovered

Silver: Properties, Uses, and Importance

Robert Bartini: The Visionary Aircraft Designer

Nikola Tesla: Biography and Inventions

Sounds: Vibrations That Shape Our World

Chladni Figures: Visualizing Sound Waves

Echolocation: Navigating with Sound

Nuclear Power Plant with a Closed Cycle

How to Turn Wind into Electricity

Geothermal Energy: Power from Earth’s Heat

The Evolution of Computer Technology Over the Last 100 Years

Innovative Computer Technologies: Shaping the Future of the Digital World

Virtual Reality: The Digital World That Feels Real

Microphones: Giving Voice to the Modern World