How To Measure The Tiniest Forces In The Universe

The video explores the evolution of mass measurement, starting with the traditional kilogram standard and its limitations. It discusses the redefinition of the kilogram using Planck's constant, allowing for more precise measurements. Advanced techniques like the Kibble balance and electrostatic force balance are introduced, highlighting their role in measuring small forces with high accuracy. The video also covers the importance of these measurements in various industries and scientific research.

Discuss the importance of maintaining cleanliness in mass measurement equipment.

How do environmental factors affect precision measurements in a laboratory?

What challenges are faced when measuring very small forces?

What are the applications of measuring forces at the microgram and femtonewton levels?