A version of this story appears in the September 2020 issue of National Geographic magazine. Philadelphia detected its first case of a deadly, fast-spreading strain of influenza on September 17, 1918.

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Some display manufacturers configure the display firmware with a very harsh or aggressive logarithmic like curve. This can get displays out of sync because different manufacturers use different curves ...

Do you like Lionel, Marx, MTH, K-Line, Menards, and other 3-rail O gauge trains? Do you like big trains but have a small budget? This is the channel for you! Novices are welcome here! I received my ...

In this month's edition of the LCGC Blog, discover how weighted least squares regression enhances quantitation accuracy in analytical chemistry, particularly for low-concentration analytes in HPLC.

Abstract: Calibration costs of fluid quantity are not only expensive but also take time, particularly if calibrator facilities are limited. Sometimes, calibrated measuring points do not match the ...

To begin, you need to enable the Developer tab in Excel. This tab provides access to the tools required for form creation, but it is not enabled by default. To enable ...

Maintaining water quality involves monitoring its pH levels. A pH sensor is a vital tool in measuring acidity or alkalinity, but how do we ensure that we are using it correctly to achieve measurement ...