Nowadays Chi (ki in Japanese) which corresponds to prana or bioenergy, also called vital energy or orgone, can be detected and measured with some devices:

Experimental Life Energy Meter

Website: https://www.heliognosis.com/
Price: US$379.95

The LM4 model developed by Helignosis allows you to measure the chi of a person from the palm of your hand as well as the chi of plants, water and various foods. Contains selectors that allow varying the sensitivity.

Experimental Life Energy Meter

Experimental Life Energy Meter

 

Experimental Life Energy Meter

Experimental Life Energy Meter