What your plants do when you are not looking
Actually this is a 2 day time lapse the movements are non-directional responses to stimuli (e.g. temperature, humidity, light irradiance)
These processes are called Nastic movements 1/๐งต
https://t.co/3R3S6cGzD4
Laser rust removal,
turning the corrosive particles into gas and debris, low laser flux, heats the debris and it evaporates or sublimates. At high laser flux, the material is converted to a plasma
This process is called Laser ablation or photoablation,