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  2. History of radar - Wikipedia

    en.wikipedia.org/wiki/History_of_radar

    The history of radar (where radar stands for radio detection and ranging) started with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell 's seminal work on electromagnetism.

  3. Perimeter surveillance radar - Wikipedia

    en.wikipedia.org/wiki/Perimeter_Surveillance_Radar

    Perimeter surveillance radar. Perimeter surveillance radar (PSR) is a class of radar sensors that monitor activity surrounding or on critical infrastructure areas such as airports, [1] seaports, military installations, national borders, refineries and other critical industry and the like. Such radars are characterized by their ability to detect ...

  4. Weather forecasting - Wikipedia

    en.wikipedia.org/wiki/Weather_forecasting

    t. e. Weather forecasting is the application of science and technology to predict the conditions of the atmosphere for a given location and time. People have attempted to predict the weather informally for millennia and formally since the 19th century.

  5. Nvidia's CEO Just Explained Why This Is the Artificial ... - AOL

    www.aol.com/nvidias-ceo-just-explained-why...

    Jensen Huang said this is the best company in the industry "by an incredible margin." ... Total spending on AI chip content and related systems is forecast to reach $193.3 billion in 2027 ...

  6. 'Still suffering': Residents in Florida's new hurricane alley ...

    www.aol.com/still-suffering-residents-floridas...

    Jody Roberts, a landowner in the timber industry for 50 years, stands in front of a burning pile of pine trees on his 100 acres of land in Taylor County on Tuesday, April 9, 2024.

  7. Marine radar - Wikipedia

    en.wikipedia.org/wiki/Marine_radar

    Marine radar. Animation of typical rotating X band marine radar antenna on ship. It radiates a narrow vertical fan-shaped beam of microwaves perpendicular to the long axis of the antenna, horizontally out to the horizon. With each rotation the beam scans the surrounding surface. Any ships or obstructions reflect microwaves back to the antenna ...

  8. Ground-penetrating radar - Wikipedia

    en.wikipedia.org/wiki/Ground-penetrating_radar

    Ground-penetrating radar (GPR) is a geophysical method that uses radar pulses to image the subsurface. It is a non-intrusive method of surveying the sub-surface to investigate underground utilities such as concrete, asphalt, metals, pipes, cables or masonry. [1] This nondestructive method uses electromagnetic radiation in the microwave band ...

  9. RADA Electronic Industries - Wikipedia

    en.wikipedia.org/wiki/RADA_Electronic_Industries

    RADA Electronic Industries Ltd. is a global defense technology company focused on proprietary radar and legacy avionics systems. It includes RADA Electronic Industries and its U.S-based subsidiaries in its development, manufacture and sale of goods designed primarily for the defense industry and aerospace markets. [3]