This early bicycle design called the Penny-farthing was first produced about 1870. It used an enlarged front wheel instead of gears to create greater speed and a smoother ride. It was the first machine to be called a bicycle.
Is a mode of human-powered transport by which a runner draws a two-wheeled cart which seats one or two people. An American missionary to Japan, is said to have invented the device around 1869 to transport his invalid wife through the streets of Yokohama.
Moby Dick, a novel by Herman Melville, is the story of the obsessive quest of Ahab, captain of the whaler the Pequod, for revenge on Moby Dick, the white whale that on the previous whaling voyage bit off Ahab's leg at the knee.
A merry-go-round, is an amusement ride consisting of a rotating circular platform with seats for riders. The "seats" are traditionally in the form of rows of wooden horses or other animals mounted on posts, many of which are moved up and down by gearwork to simulate galloping, to the accompaniment of looped circus music.
An opto-mechanical device for displaying motion picture film by projecting a rapid succession of film images onto a screen. Throughout the 20th century movie theaters used film projectors to show movies but starting in 2009 they began to rapidly replace them with digital projectors.
The first modern Ferris Wheel was designed and constructed by George Washington Ferris as a landmark for the 1893 Worlds Columbian Exposition in Chicago. The term Ferris wheel later came to be used generically for all such structures. As of 2012, the Singapore Flyer at 541 feet high is the world’s tallest wheel.
Located in Philadelphia, Pennsylvania, the Liberty Bell is an iconic symbol of American independence. Upon the bell read the words "Proclaim LIBERTY throughout all the land unto all the inhabitants thereof." It weighs 2,080 pounds and is suspended from what is believed to be its original yoke, made of American elm.
A tower designed to emit light for marking dangerous coastlines, hazardous shoals, hidden reefs and also to help guide ships into safe harbors. Often these towers are cylindrical in order to avoid damage from strong winds.
This bird house is modeled after a wren’s ideal home. Wrens aren't picky about their homes and will nest in small, plain houses. Just make sure the entry holes measure about 1 inch in diameter to let the wrens in and keep predators out.
The term windmill derives from their use to mill grain. The first windmills appeared in Europe during the 12th century in northwestern France and southern England. At their peak of popularity some windmills were able to produce more than 1.5 megawatts of power, a level not reached again until 1988.
The Sago Palm Tree (Cycas revolute) is often called a “living fossil” because it is one of the most primitive seed plants alive today. Its origin traces back to ancient flora of the Mesozoic era more than 200 million years ago. It is easily recognizable due to its distinctive whorled feathery leaves.
The F/A-18 Block III Super Hornet is the newest highly capable, affordable and available tactical aircraft in U.S. Navy inventory. The Super Hornet is the backbone of the U.S. Navy carrier air wing now and for decades to come.
Perseverance launched July 30, 2020, enroute to Jezero Crater, Mars. Perseverance features a plutonium power source and a variety of instruments to aid the rover in its mission to seek signs of previous life on Mars, as well as collect data to further aid future manned missions there.
Ingenuity, the 4 pound helicopter that was launched with Perseverance, features four specially made carbon-fiber blades, arranged into two rotors that spin in opposite directions at around 2,400 rpm – many times faster than a helicopter on Earth. It is a separate experiment from the rover and is intended to demonstrate technologies needed for flying in the Martian atmosphere.
Sikorsky® UH-60 Black Hawk® Since being introduced to the Army in 1979 this medium-lift, multi-role helicopter is now used in more than 28 countries world-wide. It has fought its way in and out of countless combat zones to deliver and extract troops, save lives, provide critical supplies and perform as an aerial firefighter and border patroller.
The supersonic F-14 Tomcat is a twin-engine, variable-sweep wing fighter aircraft. It was developed for the US Navy to counter Soviet MiG Fighter jets. The Tomcat is a two person crew consisting of a pilot in the front seat and a Radar Intercept Officer (RIO) in the back seat.
Over 15 stories tall, the external tank flanked by two booster rockets, enabled the space shuttle to escape Earth’s gravity and send it into orbit. The two booster rockets would burn 9 tons of fuel per second, at a velocity of 3000 miles per hour.
Shuttle nameplates included: Atlantis, Discovery, Endeavor and Enterprise.