Across
- 4. Agency of the US government responsible for issuing patents.
- 5. Open source operating system.
- 6. Mathematician credited with discovering the principle of buoyancy.
- 7. Repetition of a process.
- 9. Underground transit system in New York City.
- 10. Type of material with the same properties regardless of direction.
- 11. Finding and removing errors in software.
- 12. Element found in the most number of compounds.
Down
- 1. A _________ bridge is used to measure low resistances.
- 2. Polymer that can be used for waterproofing wood.
- 3. Symbol of Tau Beta Pi.
- 8. A foreign substance in the body.