The complex structure of dust is used as a metaphor to explain that people have distinctive and complicated minds filled with unique memories. The collection of vibrant images of dust shown in Pichler’s art project allows his audience to see the dust ball as a whole, showing different waste accumulates over time. The remnants from the floor fill the compacted dust ball, just as each memory adds value to the collection “stored in the tissues of the house” (75). People store their memories and possessions in the attic while dust attaches to the surface of each article. Eventually, dust accumulates at the “open, openly acknowledged and displayed” surface and generates in the concealed, tight spaces in the attic signifying that new thoughts are constantly flooding the brain, while the old thoughts are gradually appearing in the mind (75). Therefore, the dust in the “tissues of the house” cannot be removed entirely, since dust continues to accumulate, and past memories keep appearing in our thoughts. Lewis Thomas explains that people attempt to eliminate their old possessions by “finally paying around fifty dollars an hour to have them carted off,” meaning that humans unclutter their thoughts with the help of a psychiatrist (76). Psychiatrists help people analyze their thoughts or feelings; however,