Showing results for "Maria" in Inventions & Inventors

Can you imagine having to sit still for 30 minutes just to have your picture taken? Or having to send film away to be developed? Technology has come a long way since then! Listen to learn about photography inventions like flashbulbs, Kodak and Polaroid cameras, and more!

Kids have always had amazing ideas, like how to keep your ears warm on a cold winter day or an icy treat to enjoy on a hot summer day. Learn about four young inventors and their inventions that helped to change people's lives.

Have you ever wished you could have Harry Potter’s invisibility cloak? At some point soon, you just might be able to get one! Scientists are experimenting with a special material that bends light so the material is concealed. They still have a long way to go, but if they succeed, it could be one of the coolest inventions of the century!

Follow along this brief history of the pursuit of perpetual motion machines and how this endeavor led to the laws of physics we have today. From Robert Park's generator-rigged bicycle, to Robert Fludd's self-running bicycle, to the steam engines of the 19th century, these stories offer a peek into some of mankind's successes and failures when it comes to the exploration of science and advancement.

Have you ever wondered where glasses came from? This book takes a fun look at the invention of glasses starting with the Greeks and Romans. Then it looks at attempts by the Spanish, Chinese, French, and even inventor Ben Franklin to improve the design.

What do libraries, streetlights, and fire stations have in common? What about bifocal lenses and the odometer? Sayings like "haste makes waste?" Benjamin Franklin was a man of many talents: a scientist who experimented with electricity; a diplomat who served as envoy to France and negotiated peace with England; a mapmaker, printer, and writer famous for his Poor Richard's Almanack.