MRI video goggles were designed to assist Magnetic Resonance Imaging (MRI) patients from experiencing the effects of claustrophobia by providing 3d video and audio. The goggles immerse the patient DVD video and audio assisting them in avoiding the uncomfortable feeling and mental anxiety of being in a very small contained area for a period of …
Electromagnets are magnets whose magnetic properties come from or are generated through electricity. A magnet is a material (this is usually metal), which has at least one pair of negative and positive poles. These opposite poles' attraction produces a magnetic field. This gives the magnet the ability to 'attract' metals such as iron or steel. …
A combustible gas detector is a device that allows the user to detect and analyze any nearby concentrations of combustible gases. Combustible gases are simply gases that will catch on fire when mixed with oxygen and ignited. There are many different types of combustible gases and each one requires its own method of analysis. Some …
A nuclear bomb uses a nuclear reaction to generate energy (heat and radiated particles). The energy released is millions or in some cases billions of time stronger than TNT; the whole process is carried out in a very short time, providing huge destructive power. There are two types of nuclear reactions, fission and fusion. During …
An ultrasonic fogger is a device that uses ultrasonic sound waves to break water into millions of individual water droplets that are then sprayed into the air as a thick fog. Ultrasonic foggers are most often used for Halloween decorations as a dry ice replacement. The fog that an ultrasonic fogger produces is not created …