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"The Magdeburg Water Bridge is a navigable aqueduct in Germany that connects the Elbe-Havel Canal to the Mittelland Canal, and allows ships to cross over the Elbe River. At 918 meters, it is the longest navigable aqueduct in the world. "

"Find Free-to-Use Teaching and Learning Content from Around the World "

"Challenging high school students to create innovative products using science, technology, and entrepreneurship to solve real-world, 21st century problems."

Photo #7. Max Leslie ditching. Because LCDR Leslie's SDB was out of fuel the aircraft floated. Leslie and his gunner walked out to the end of the wing and stepped into the whaleboat sent to rescue them. THEY DIDN'T EVEN GET THEIR FEET WET.

"1988 - Sheila Scott, English aviatrix died (b. 1922). Scott broke over 100 aviation records through her long distance flight endeavours, which included a 34,000 mile (54,400 km) "world and a half" flight 1971 on which she became the first person to fly over the North Pole in a small aircraft."

"2007 - Renowned WWII fighter pilot "Tex" Hill dies (b. 1915). Hill joined the Flying Tigers, an American volunteer group based in China during World War II. He shot down 18 1/4 enemy aircraft during the war. 2000 - The 100th Space Shuttle mission (STS-92) is flown."

"STEMNET (the Science, Technology, Engineering and Mathematics Network) creates opportunities to inspire young people in STEM. We do this by working with thousands of schools, colleges and STEM employers, to enable young people of all backgrounds and abilities to meet inspiring role models, understand real world applications of STEM subjects and experience hands-on STEM activities that motivate, inspire and bring learning and career opportunities to life."

"The gigantic dimensions of this ultra-lightweight revolutionary airplane - capable of flying day and night without fuel - are its trademark feature. To build it, the whole team had to push back the frontiers of knowledge in materials science, energy management and the man-machine interface. Every one of its take-offs, propelled silently by its four electric motors, inspires us to consider using clean, new technologies to free our society, little by little, from dependence on fossil energy. "

Pedro Reyes Alejandre is on Facebook. Join Facebook to connect with Pedro Reyes Alejandre and others you may know. Facebook gives people the power to share and makes the world more open and connected.

"Invention Mysteries reveals the little-known secrets behind well-known inventions"

"A simple machine is a device that changes the direction or amount of a force. They are the building blocks used to build more complex machines. For example, wheels, levers, screws, and pulleys are all used in a bicycle. The six simple machines are: Inclined Plane Lever Pulley Screw Wedge Wheel and Axle"

"Canstruction 2010, that annual celebration of cool design, tricky engineering, and donating a whole lot of time, talent and food to New Yorkers who need it most. all those amazing creations will be dismantled and the construction materials-some 100,000 (!) cans of food-will be given directly to City Harvest, and so to scores of hungry New Yorkers, men, women and children, via soup kitchens, food banks, shelters and senior homes citywide. "

"Welcome to the First Flight Society, one of aviation's oldest organizations. We invite you to become a part of aviation's past, present and future by joining the Society. Your membership will help us accomplish our goals of memorializing the accomplishments of Wilbur and Orville Wright and promoting aviation in all its forms. "

"Life outside the classroom for the seventh grader ( age 12). Why does mathematics exist? Every learning community has a need to quantify some aspects in its environment. Its language(s), economic and social environment determines how much content will be adopted and adapted to meet those aspects. Unfortunately increase globalization is bringing about changes. "

"PAL-V's Personal Air and Land Vehicle takes to the skies in the "crazily awesome" video shown here. Commercial deliveries of these space-age vehicles are expected to commence within the next two years or so for those brave enough to turn freeways into runways"

"Backed by stunning illustrations, David Christian narrates a complete history of the universe, from the Big Bang to the Internet, in a riveting 18 minutes. This is "Big History": an enlightening, wide-angle look at complexity, life and humanity, set against our slim share of the cosmic timeline."

This is absolutely mind-boggling! Full 360 degree panoramic interactive moving view of Mars as you've never experienced before. Taken by Opportunity Rover and converted into an interactive panorama

"Seven videos talking about Microbes and why some are good, some are bad and what they have done for mankind. "

"The world's population hit seven billion recently. After growing very slowly for most of human history, the number of people on Earth has more than doubled in the last 50 years. Where do you fit into this story of human life? Fill in your date of birth below to find out."