Rocket engines are, on the one hand, so simple that you can build and fly your own model rockets very inexpensively (see the links on the last page of the article for details). On the other hand, rocket engines (and their fuel systems) are so complicated that only three countries have...
Bottle rockets: Small rockets that shoot into the air and may produce a report or a small burst of stars. Ground spinners: Spin on the ground and emit colored flames and sparks. Now That's Colorful! Did you know that the colors in fireworks are created by adding different metal salts to...
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Fireworks can be quite complex and different types (rockets, Catherine wheels, and so on) work in different ways. Simply speaking, though, aerial fireworks (ones designed to fire up into the sky) have five main parts. Working up from the bottom to the top: Stick ("tail"): The first th...
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How many rockets did Homer build in October Sky?Question:How many rockets did Homer build in October Sky?October Sky and Homer Hickam:October Sky is a film based on the memoir Rocket Boys by Homer Hickam. The movie recounts the true story of Hickam, a coal miner's son, who began study...
Now that you are all set up with your tripod and camera ready to go and cable release in hand, the rockets are launching and the shells bursting. It's time to take photos. What exposure should you use? Well, like I said above, Bulb is the preferred choice, so you can open the shu...
How can Israel respond to rocket fire? - editorial THE IRON Dome fires an interceptor missile as rockets are launched from Gaza, near Sderot in August 2018. (photo credit: AMIR COHEN/REUTERS) Last November, when two rockets fired from Gaza landed in Israel, they were initially attributed to...
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For airborne escapades, Bond has flown "Little Nellie," an autogyro with rockets and missiles that could be folded down into four suitcases. The Acrostar was a similarly miniaturized jet plane with extreme maneuverability. James Bond once even flew on aspace shuttlecalled the "Moonraker," though...