Radar is an object-detection system that uses radio waves to determine the range, altitude, direction, or speed of objects. It can be used to detect aircrafts.
A microphone detects sounds transmitted in the air.
Detecting and ranging (measuring the distance of) enemy craft in air (planes) and water (ships and subs).
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An airplane is a heavier than air flying craft
Air temperature is measured accurately using a device called a thermometer. The thermometer is placed in the air and measures the temperature by detecting the expansion or contraction of a liquid or metal inside it. This provides an accurate reading of the air temperature at that location.
they were used to launch air craft
air craft is a areoplane bassicly btw its just a crafte dats in ze air =)
a barieer
An airplane is a heavier than air flying craft
A humidity sensor switch works by detecting the amount of moisture in the air and then activating or deactivating a device, such as a humidifier or dehumidifier, to regulate the level of moisture. When the sensor detects that the humidity is too high or too low, it triggers the device to turn on or off, helping to maintain the desired level of moisture in the air.
It is the same w/ RCA or remote control aircraft or airplane.It is called RCA because it is controlled by an device called remote or remote control!!!
a device called a super telescope was used in an air craft 1.5 million miles away from earth to look farther