Why is it impossible to scan free verse poetry?

It is not impossible to scan free verse poetry. Free verse poetry may not have a regular meter or rhyme scheme, but it can still be scanned. Scanning free verse poetry involves identifying and analyzing the patterns of rhythm, stress, and line breaks in the poem. By examining the poem's cadence, sonic effects, and other prosodic elements, it is possible to scan and appreciate the unique rhythms and melodies of free verse poetry.