Where did Annie Cannon and Henrietta Leavitt work?

Where did Annie Cannon and Henrietta Leavitt work? Harvard Computers at work, circa 1890, including Henrietta Swan Leavitt seated, third from left, with magnifying glass (1868–1921), Annie Jump Cannon (1863–1941), Williamina Fleming standing, at center (1857–1911), and Antonia Maury (1866–1952). What did Henrietta Swan Leavitt discover in 1908 Why is this important? Henrietta Swan Leavitt, […]

What is the HR policies and procedures?

What is the HR policies and procedures? This framework and these guidelines are known as the HR policies and procedures of the company. The HR policies and procedure of any company describe the business of the organization and how do you need to execute the business under what guidelines do you need to perform. How […]

What new material did John Wesley Hyatt?

What new material did John Wesley Hyatt? In 1869 John Wesley Hyatt invented celluloid, the first synthetic plastic, while searching for an artificial replacement for ivory. Why did billiard balls explode? It was a side effect of no longer making them from ivory There was a time when taking a perfect shot in a game […]

How does foreign currency benefit a country?

How does foreign currency benefit a country? Countries use foreign currency reserves to keep a fixed rate value, maintain competitively priced exports, remain liquid in case of crisis, and provide confidence for investors. They also need reserves to pay external debts, afford capital to fund sectors of the economy, and profit from diversified portfolios. What […]

Why is my air conditioner chirping?

Why is my air conditioner chirping? A chirping noise from your air conditioner is a typical indicator of friction between parts without the correct lubrication. Possibilities include: Dry motor bearings. Worn out fan belt. Why is my car making a squeaking noise when I turn on the AC? A loud squeal is produced when the […]

How safe is Cathay Pacific Airlines?

How safe is Cathay Pacific Airlines? Cathay Pacific is one of only a few airlines to have maintained an award winning full service in-flight product and virtually flawless safety rating over the last few decades making it one of AirlineRatings.com’s favourite. What is included in Cathay Pacific business class? Almost all Cathay Pacific flights feature […]

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