With the exception of "Editorial use only" photos (which can only be used in editorial projects and can't be modified), the possibilities are limitless. Learn more about royalty-free images or view ...

Illuminance is measured in lux (lx), an International System unit representing the amount of luminous flux incident on a surface, equivalent to one lumen per sqm. Its analysis can be performed through ...

This procedure can be used, for example, to create and analyze precise ... not exceeding a few nanometers. If, by way of illustration, these orders of magnitude were transferred to a lake with ...

With the exception of "Editorial use only" photos (which can only be used in editorial projects and can't be modified), the possibilities are limitless. Learn more about royalty-free images or view ...