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Month: August 2022

What is a Leyden jar used for?

What is a Leyden jar used for? Leyden jar, device for storing static electricity, discovered accidentally and investigated by the Dutch physicist Pieter van Musschenbroek of the University of Leiden in 1746, and independently by the German inventor Ewald Georg Read more…

What do dew drops do?

What do dew drops do? Those droplets, which condense from water vapor — moisture — in the air, collect randomly across the surfaces of flat leaves. However, dew drops tend to accumulate at the tips of spindly leaves, even if Read more…

What is SARSA in reinforcement learning?

What is SARSA in reinforcement learning? State–action–reward–state–action (SARSA) is an algorithm for learning a Markov decision process policy, used in the reinforcement learning area of machine learning. It was proposed by Rummery and Niranjan in a technical note with the Read more…

What are Bayer letters?

What are Bayer letters? Bayer assigned a lowercase Greek letter (alpha (α), beta (β), gamma (γ), etc.) or a Latin letter (A, b, c, etc.) to each star he catalogued, combined with the Latin name of the star’s parent constellation Read more…