Microhydro power is a type of sustainable energy production using water flow. Microhydro systems convert water flow into electricity with...

Hydroelectric power generates electricity with the energy of moving water, which is considered a renewable resource. Used for millennia...

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

Machine learning teaches computers to learn from data without being programmed. A branch of artificial intelligence, ML enables computers...

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...

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

Rocks hold within them hidden forces. While not all rocks are obviously magnetic, most carry a subtle magnetic field. It comes from their...

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

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

Clean rooms are specialized environments to minimize contaminants like dust, microbes and other particles. They're perfectly controlled...

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

Earth's atmosphere is made of layers, each with certain characteristics and functions. From weather at ground level to the expanse of...

Free-space optical (FSO) systems use light beams to transmit data. Known for high bandwidth, security and immunity to electromagnetic...

Radio waves are part of the electromagnetic spectrum, created when electric charges move. Waves travel through space at the speed of...

Slime molds dwell in dark, damp environments of decaying matter, like forest floors or compost heaps. They morph between fungi and...

Magnetoplasmadynamic (MPD) thrusters use ionized propellants like xenon, argon, and krypton to generate thrust through plasma...

Magnetism affects the way spaceships and astronauts travel through space. The invisible forces generated by magnetic fields influence...

A transistor is a semiconductor device. It can operate as either a switch or an amplifier. Made from materials like silicon or...

Cloud computing provides a variety of services through the internet, such as storage, databases, servers, software and analytics. Instead...