Hedy Lamarr and Frequency Hopping

Hedy Lamarr and Frequency Hopping

Sometimes, an invention is invented because someone makes an imaginative leap from one thing to another. That can be why a regular person comes up with a clever new innovation that the experts didn’t see—the expert is focused on their one area of expertise, that they...
Hedy Lamarr and Frequency Hopping

Sarah Goode, Black Inventor of the Cabinet Bed

Sarah E. Goode (1855-1905) was the first African American woman to be awarded a U.S. Patent, for a cabinet bed, which would fold up during the day “so as to occupy less space, and made generally to resemble some article of furniture when so folded.” Her patent was...
Hedy Lamarr and Frequency Hopping

Marjorie Joyner and the Permanent Wave Machine

Not every invention is a brand new idea, out of the blue. Many inventions are an improvement on an older idea. People made toast before there were toasters, for example, but once we had electricity, we could use electricity to make toast, instead of risking burning...
Hedy Lamarr and Frequency Hopping

Rosa Bonheur Wears the Pants

Imagine you’re going to walk out into pastures to draw horses and sheep from life, or to the slaughter house, to see what the muscles of animals look like under the skin (better to paint them) but you have to do it in a long skirt, that brushes the ground. A...