Permanent magnets convert electrical energy into mechanical energy in robots for precision movement. Magnetism influences how robots...

Magnetism arises from moving electric charges and appears in various forms. The human brain, with billions of neurons communicating via...

Serotonin is a neurotransmitter linked to mood regulation. While often associated with brain function, serotonin is predominantly found...

Neurotransmitters are the chemical messengers of communication within the human body. They transmit signals between nerve cells,...

Electricity drives the human brain, powering every thought, sensation and emotion. The connection between electrical signals and emotions...

The human brain is a complex organ powered by forces of electricity and magnetism. These forces work together to create thoughts,...

Robots communicate with humans and understand sounds in seemingly meaningful ways. Microphones and sensors designed to detect sound waves...

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

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...