Which detail from "Thomas Edison: The Master of Improvement” supports the big-picture idea of the passage? Humphry Davy created the first electric light and shared his design with Edison.
Unlike Davy and Swan, Edison had no formal schooling. He was quite sickly as a child, so his mom taught him at home.
That way, all of those long-lasting Edison bulbs would have a ready supply of the electricity they required.
Edison was successful because he persevered through challenges to reach his goal of creating a practical lightbulb.

One of the author's purposes in the code book is to explain different types of codebreaking to his readers. which line best demonstrates this purpose? a theoretical breakthrough would be a fundamentally new way of finding alice's private key mathematicians have been studying factoring for centuries, and modern factoring techniques are not significantly better than ancient techniques a more recent development is the so-called tempest attack, which aims to detect the electromagnetic signals emitted in a computer's display unit if scientists could build a quantum computer, it would be able to perform calculations with enormous speed mark this and return save and exit next submit