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What did the phonautograph do?

What did the phonautograph do? The phonautograph is the earliest known device for recording sound. Previously, tracings had been obtained of the sound-producing vibratory motions of tuning forks and other objects by physical contact with them, […]

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Is Malwarebytes a legitimate company?

Is Malwarebytes a legitimate company? Yes, Malwarebytes is safe. It has a decent antivirus scanner, real-time protection that offers multiple layers of protection against malware, system vulnerabilities, and online threats, and a browser extension that provides […]

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What are the 4 representative elements?

What are the 4 representative elements? In chemistry and atomic physics, the main group is the group of elements (sometimes called the representative elements) whose lightest members are represented by helium, lithium, beryllium, boron, carbon, nitrogen, […]

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