epub |eng | | Author:Morrison, Heather S.;

Applying the Solution Like many other inventors, Gutenberg had to raise huge sums of money to finance his project. Constructing his printing equipment, particularly the many thousand letters of type ...

epub |eng | | Author:Hiton, Lisa; [Hiton, Lisa]

The Telegraphone Valdemar Poulsen was born in 1869. Before age thirty, this Danish engineer created the world’s first magnetic wire recorder, the telegraphone. The word has three ideas in the ...

epub |eng | | Author:MacPherson, Cory; [MacPherson, Cory]

The CAMERA THAT CAPTURED the WORLD: KODAK In 1877, a young man named George Eastman was planning his future in real estate. He worked at the Rochester Savings Bank in ...

epub |eng | | Author:Lisa Idzikowski [Author, Unknown]

Much of the Texas GOP’s post-siege rhetoric depicts the technology and social media companies’ moves as the “censorship of conservatives,” even though the actions were in response to credible evidence ...

epub |eng | 2020-07-12 | Author:Gina Hagler

Orville examines the balances that were used in the wind tunnels. It was these balances that made it possible for the brothers to use their observations in tests that perfected ...

epub |eng | | Author:Louise Spilsbury & Richard Spilsbury

COMFORT AND STABILITY A fast passenger train needs to offer a comfortable ride to the people inside. Attraction between magnets at the edges of the guideway and under the L0 ...