Microbalances To Weigh The Millis

What is the lightest possible thing that you can think of weighing? Well here’s a device that can even measure the weight of the air we breathe.
What is a microbalance?
The microbalance is a device that is used to measure weights that are as light as a millionth of a gram. Hence, it can be used…https://www.antivibrationtable.com/microbalances-weigh-millis/