Community
Lessons
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- Video
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Heart Attack!!
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- This 3d medical animation shows a heart attack resulting from atherosclerosis, which is inflammation of an artery. It was designed to be an immersive experience to hold the view...
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- Lesson
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Wheel
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- WheelOften regarded as the symbol of the beginning of inventiveness of the human race, the origin of the wheel is unknown. It has been suggested that it may have derived from th...
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- Lesson
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Steam engine
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- Steam engineThe invention of a vacuum pump in 1654 gave rise to a variety of experiments intended to harness the power of a vacuum, leading to a type of steam engine developed b...
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- Lesson
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ballpoint pen
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- Ballpoint penTwo Hungarian brothers, Ladislao J. Biro (1899–1985) and Georg Biro (1897–19??), invented the ballpoint pen in 1938. Ladislao was a sculptor, painter, and writer, w...
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- Lesson
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The Alphabet
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- The alphabet is a system of writing that represents individual sounds of a language with a set of symbols, usually with the most common sounds assigned a single written form. S...
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- Presentation
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TOP 10 TECHNOLOGIES
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- Presentation
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TOP 10 TECHNOLOGIES
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- Presentation
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WITRICITY
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- wireless electricity
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- Presentation
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WITRICITY
- Description
- wireless electricity
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- Presentation
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WITRICITY
- Description
- wireless electricity
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- Presentation
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WITRICITY
- Description
- wireless electricity
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- Presentation
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witricity
- Description
- wireless electricity
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- Presentation
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witricity
- Description
- wireless electricity
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- Presentation
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witricity
- Description
- wireless electricity
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- Presentation
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witricity
- Description
- wireless electricity
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- Description
- The Wright Brothers’ Flight to Fame Orville and Wilbur Wright were two brothers who are credited with inventing the first airplane. You’re probably thinking to yo...
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- Lesson
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Early Gliders in Aviation
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- Early Gliders in Aviation Before the Wright Brothers, there were a bunch of other guys who helped pave the way for their success: Let’s take a look at some notable gl...
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- Lesson
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The Origins of Aviation
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- The Origins of Aviation Man must rise above the Earth—to the top of the atmosphere and beyond—for only thus will he fully understand the world in which he lives. — Socrates ...
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- Lesson
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Hot Air Balloons Today
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- Hot Air Balloons Modern hot air ballons, with an onboard heat source, were pioneered by Ed Yost, beginning in the 1950s; his work resulted in his first successful flight, o...
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- Lesson
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How Hot Air Balloons Work
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- Hot Air Balloons Now that we’ve covered the History of the Hot Air Balloons, let’s now focus on the construction, the significance behind the use of hot air, an...
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- Hot Air Balloons The hot air balloon is the oldest successful human-carrying flight technology. On November 21, 1783, in Paris, France – the first manned flight was m...
