You will be able, in other words, in your own mind, to draw a frame of emotional feeling around your theme. Now study the sad one a little closer. Try to pin down the exact quality of its sadness. Is it pessimistically sad or resignedly sad; is it fatefully sad or smilingly sad?
Step 1: Build your best paper plane. Step 2: Stand side-to-side with your best friend and his or her plane. Let them fly. Step 3: Make the exact same alteration to each plane such as adding a paper clip to the nose of the plane, tear a tiny notch in the tail, or even add ...
Click on “Wi-Fi” and select “Turn on Wi-Fi” or move the slider bar to the right so it turns blue. Do the same steps for Bluetooth. You are out of Airplane Mode! Pro tip: You can also turn off Wi-Fi before getting on a plane to connect and continue using your iPhone’s ...
*AIR forces*GEOSYNCHRONOUS orbits*SPACE surveillanceWITH ITS BULLET shape and stubby wings, the U.S. Air Force's X-37B Orbital Test Vehicle looks like the little brother of NASA's classic Space Shuttle orbiter. In the 1990s, NASA needed a cheaper option to boost space-plane readiness. NASA...
The canister or cartridge is a metal or carbon fiber cylinder that holds highly pressurized gas, which is used to inflate the airbag. Canister airbags are powerful and reliable, with the main drawback being that the canister only has one use in it before needing to be refilled or replaced,...
1. Basic understanding of how a plane flies. The Smithsonian National Air and Space Museum website is a good resource for this. Vocabulary 1. Lift 2. Drag 3. Thrust Materials 1. Computer 2. Projector or document camera 3. Paper for making airplanes – min. 1 sheet/student ...
Lift force is a type of force that is experienced by an airplane, kite, or anything that flies. The air accumulates under a body and creates high pressure in contrast to low pressure above the body. Thus, the pressure difference allows objects to fly....
In the '50s and '60s the Air Force built nearly 800 B-52s for just $70 million apiece in today's dollars. The first bomber meant to replace the B-52, the '80s-vintage swing-wing B-1, ended up costing more than $200 million per plane. The third effort, the stealthy B-2 (pictur...
a cargo plane. "Rapid Dragon" aims to allow cargo planes to pinch-hit as bombers with no modifications. This approach would potentially allow the Air Force to surge hundreds more cruise missiles for a key operation, then release the cargo planes for their regular transportation duties. The U....
Unlike soarplane gliders, hang gliders have neither movable surfaces on the wing nor a tail to deflect airflow and maneuver the craft. Instead, the pilot is suspended from the hang glider's center-of-mass (hence the term "hang" glider) by way of a harness, maneuvering the hang glider ...