Defensive Technologies

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• Photovoltaic Cells: Photovoltaic cells, also known as solar cells, are devices that convert sunlight directly into electricity. They are made of semiconductor materials, such as silicon, and work by absorbing photons from sunlight, which knock electrons in the ... Read More >>
• Polar-orbiting Satellites: Polar-orbiting satellites are spacecraft that orbit the Earth in a north-south direction, passing over the poles on each orbit. These satellites are used for a variety of purposes, including weather forecasting, environmental monitoring, an ... Read More >>
• Supernova: Supernova is a powerful and luminous explosion that occurs when a star exhausts its fuel and collapses. This explosion releases an enormous amount of energy, which can briefly outshine an entire galaxy. In space and astronautical engineerin ... Read More >>