Entrant Profile

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 3498 3