David Callahan

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16
Joined
September 24, 2013
Last visited
August 18, 2014

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An Investigation into the Mechanics of Gravity and Dark Energy

By David Callahan, September 27, 2013 in Speculations
- 5 replies
- 1444 views
Proposed Mechanics Impossible?

By David Callahan, October 8, 2013 in Speculations
- 7 replies
- 1216 views
Spin-off Thread re: Technology Start up

By David Callahan, September 27, 2013 in Speculations
- 13 replies
- 1501 views
Looking for Guidance on Funding for a Technology Startup

By David Callahan, September 24, 2013 in The Lounge
- 5 replies
- 1221 views

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Content Type

Profiles

Forums

Events

Topics posted by David Callahan

An Investigation into the Mechanics of Gravity and Dark Energy

Proposed Mechanics Impossible?

Spin-off Thread re: Technology Start up

Looking for Guidance on Funding for a Technology Startup

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Important Information