PLEASE HELP Which detail from “Thomas Edison: The Master of Improvement” explains why Swan’s lightbulb failed to be successful?

“He developed and demonstrated the first small lightbulb in 1878.”
“Its glow was produced by electricity passing through a filament, or tiny piece of material.”
“The inside of the glass bulb was a vacuum. In other words, it was oxygen-free.”
“[The] bulb did not glow for long, however. It produced light for only thirteen hours.”

Read the excerpt from "death by black hole."albert einstein's general theory of relativity, published in 1916, provides the insight to understand the bizarre structureof space and time in a high-gravity environment. later research by the american physicist john a. wheeler, and others, to formulate a vocabulary as well as the mathematical tools to describe and predict what a black hole will do toits surroundings.read the excerpt from "man listening to disc."and i bow deeply to thelonious monkfor figuring out a wayto motorize or whatever-his huge pianoso he could be with us today.these excerpts are similar because both texts

Suppose you connect a battery to a small light bulb with a single wire. what do you think will happen? explain your answer.

What inference about haida families can be brawn from the actions foc the sky chief