Answer:
Explanation:The topic sentence gives the writer's main ideas on the topic. The last two sentences develop the main idea by giving specific details of the relevant research. ]Elon Musk's secretive neurotechnology startup Neuralink has made its first major public announcement, revealing flexible “threads” designed to link a human brain directly to a computer. “After solving a bunch of brain-related diseases it will create a well-aligned future,” he said.
The main idea of the article is introduced in such a way that the topic sentence in the opening paragraphs gives the reader an idea of what the text is all about.
The main idea, often referred to as the Central Idea is the key concept that the author of a text is writing about.
In this case, that key concept for Elon Must is the Project Neuralink. This is why it is indicated in the topic sentence.
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