Statistics and air conditioner: what they have in common
- Step 1. Statistics — uses — Hollerith tabulator. Processing censuses.
- Step 2. Hollerith tabulator — evolved into — Mainframe. IBM grew out of Hollerith’s company.
- Step 3. Mainframe — has part — Integrated circuit. The hybrid circuits of the System/360.
- Step 4. Integrated circuit — uses — Cleanroom. Production in cleanrooms.
- Step 5. Cleanroom — uses — Air conditioner. Air filtration.