Cruise missiles use a combination of GPS, inertial guidance and terrain contour matching (TERCOM) for navigation. They are programmed with the target's coordinates and use onboard systems to adjust their flight path as needed, ensuring accuracy even over long distances. This allows them to fly ...
The missiles also identify the UV "shadow" of the target and use that identification to distinguish the target from other heat-producing objects. Motion-sensing lights use passive infrared sensors. The sensors in a motion-sensing light are tuned to the temperature of a human being. When the ...
When you are in microgravity, your body adopts a "fetal" posture -- you crouch slightly, with your arms and legs half-bent in front of you. In this position, you do not use many of your muscles, particularly those muscles that help you stand and maintain posture (anti-gravity muscles)....
1939 marked the official end of the Great Depression, and therefore the beginning of America’s return to a more stable economy. This year also marked the beginning of World War II; entering the war two years later, though devastating, would greatly invigorate the American economy and workforce...
These nine challenging foes can be found in all their glory around the world of Terraria and include: The Empress of Light: a powerful mechanical dragon who resides deep inside an ancient castle’s vault; The Twins: two powerful robots with different strategies; they use lasers and missiles ...
“base force”--one able to respond to crises in Europe, the Pacific and the developing world, while maintaining a strategic deterrent of nuclear-armed bombers, missiles and submarines. The plan had been under study in the Pentagon for months; while the politicians wrangled over how to define...
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The SRBs are solid rockets that provide most of the main force or thrust (71 percent) needed to lift the space shuttle off the launch pad. In addition, the SRBs support the entire weight of the space shuttle orbiter and fuel tank on the launch pad. Each SRB has the following parts: so...
Space suits use lithium hydroxide canisters to remove carbon dioxide. These canisters are located either in the space suit's life support backpack or in the spacecraft, in which case they are accessed through an umbilical cord. Temperature To cope with the extremes of temperature, most space ...
As such, it must be able to move about in space, its crew must maintain communications with controllers on the ground and it needs power to accomplish all of this. We take for granted having electrical power to operate our homes. For example, to use your coffee maker, you simply plug ...