Charles Lindbergh in Paris
Unmanned Aircraft Launched from Ship
The Navy, for the first time, launched an unmanned aircraft the size of a fighter jet from a warship in the Atlantic Ocean, as it wades deeper into America’s drone program amid growing concerns over the legality of its escalating surveillance and lethal strikes.
The drone, called the X-47B, is considered particularly valuable because it’s the first that is designed specifically to take off and land on an aircraft carrier, allowing it to be used around the world without needing the permission of other countries to serve as a home base.
Read more: http://www.laboratoryequipment.com/news/2013/05/unmanned-aircraft-launched-ship
President Obama just took off from the South Lawn of the White House.
He’s headed to Mexico and Costa Rica to reinforce the deep cultural, familial, and economic ties that so many Americans share with Mexico and Central America.
The shuttle’s wrap was intended to shield it from dust and debris while its exhibit was constructed.
The Sonic Boom, as seen above, is caused by the Doppler Effect - that thing Sheldon explained on the Big Bang Theory.
When an object is stationary, while emitting sound, the sound waves spread out uniformly in a circle from the source, as seen in the second image, however when that object begins, as seen in the third image, to move the circles are not emanating from the same position, so the troughs and crests (represented by the black lines) of each wave are in are closer together on one side and further apart on the other.
So when the object is traveling at the speed of sound all the troughs/crests are perfectly aligned on one side, where they then amplify each other (positive and negative superposition) producing a loud burst of sound and also pressurising the air close to the source which is why a cloud is seen.
This effect can also be observed with light, theoritically, however first we need to make something that can, somehow, reach the speed of light ;)
ILS Runway 11L Tucson International (by Peter Millenaar)
Looks like a video game.
Steam rises from the heated pad below a GEnx engine, following a nighttime ice test at GE Aviation in Winnipeg, Canada. Temperatures were around -20 degrees F.