William Greenhalgh
Location: Wilmington, Delaware United States
Company: GreenhalghTechnologies
Profession: Business Owner/Manager
Hobbies and activities: Amateur Radio, Sailing, Reading and Writing
Online communities: Google +
Inspired by: Observation in applied physics
2013 Entries
| Date | Title | Category | Views | Votes |
|---|---|---|---|---|
| 05/20 | System for Suppressing Noise from a Jet Engine | Aerospace & Defense | 4140 | 3 |