Tag: chemistry

Mendeleev’s Business Card – Periodic Table of Videos

Mendeleev’s Business Card – Periodic Table of Videos
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Why the universe seems so strange | Richard Dawkins

Why the universe seems so strange | Richard Dawkins

My title: “Queerer than we can suppose: the strangeness of science.” “Queerer than we can suppose” comes from J.B.S. Haldane, the famous biologist, who said, “Now, my own suspicion is that the universe is not only queerer than…

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pH Meter Calibration

pH Meter Calibration

The pH meter is an important lab instrument used for measuring the acidity or alkalinity of a liquid. It must be calibrated before each use to ensure accurate readings. Let’s do a 3-point calibration First, we need to…

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