Soft robotics is the design of robots made from flexible materials. Unlike rigid robots, soft robots change their shapes and movements....

Space weather includes solar flares, geomagnetic storms and cosmic rays from the Sun. It interacts with the electromagnetic field and...

Electric fields surround charged particles, creating an attraction or repulsion. Opposites attract, and objects with the same type of...

Static electricity happens due an imbalance of electric charges powered by the movement of electrons. They orbit the nucleus of an atom,...

Electricity is a natural physical phenomenon, relating to the existence and movement of matter with an electric charge. Electricity works...

Robot sensors are powerful versions of human senses, and more. Robots perceive their surroundings, interpret information and interact...

Yttrium (Y), a silvery transition metal, is a member of the rare earth elements (REEs). It's a favored component in technologies, from...

Ozone manifests as pale blue gas. The ozone layer, a concentrated region in the stratosphere, protects Earth from damage by UV rays....

The heliosphere protects the solar system from cosmic radiation. The vast, bubble-like region is dominated by the activity of the Sun,...

The solar wind is a continuous stream of charged particles emitted by the sun. This supersonic outflow of protons and electrons permeates...

Experiments on the International Space Station (ISS) achieve success when astronauts cultivate and eat lettuce in space. With...

Nuclear energy uses the power of the atom, the fundamental constituent of matter. Atomic energy is released through nuclear fission or...

The world's first carbon-14 diamond battery comes from the UK. Purported to last for thousands of years, it presents a hope for...

Gravity influences ocean tides and shapes the weather patterns. It attracts objects toward one another, causing swollen seas, cloud...

Gravity is the invisible force defining the paths of celestial bodies and spacecraft. It affects the way planets orbit and space...

A laser weapon is a type of directed-energy weapon (DEW) using lasers to inflict damage. Unlike traditional projectile weapons, which...

Lasers are optical amplifications based on the stimulated emission of electromagnetic radiation. It creates a highly focused, powerful...

Space aerosols are natural particles active in the atmosphere of Earth. They affect weather patterns, health and ecological balance. Some...

Spacecraft re-entry in the atmosphere has consequences. Many survive intense heat and friction through ablation, drawing heat away from...

Spacecraft re-entering Earth's atmosphere must navigate intense heat and friction. Primary defenses against burning up include heat...