a man in a lab coat standing in front of a circular light

a man in a white lab coat standing in front of a computer screen displaying a futuristic interface. the man has a beard and is wearing a white lab coat. is in english. the description should be truthful, detailed, vivid, and specific. the output description should meet the number of words required by the user and not exceed 100 words. it should not include any polite words, modest remarks, greetings, modal particles, or questions. the description should be in english. finally, it should use different sentence structures to describe content.