Daily Archives: September 12, 2014


Robert Robinson 1
September 13 is Hans Christian Joachim Gram’s birthday. Gram was a Danish doctor and bacteriologist best known for inventing the Gram staining technique in microbiology. Gram staining is a technique used to identify bacteria into two different groups, Gram-positive and Gram-negative. First, a sample of bacteria affixed to a microscope […]

Today In Science History – September 13 – Hans Christian ...


atm to kPa ladder math
Pressure is a measurement of force per unit area. Unfortunately, there are many different units associated with pressure. The SI unit for pressure is the pascalĀ (Pa). One pascal is equal to one newton per square meter (N/m2). One pascal is a very small amount of pressure, so the kilopascal (kPa) […]

Pressure Conversions – Atm to kPa