$$ for Ideas: Challenge.gov is a place where the public and government can solve problems together.

[1776Forever]

I had never heard of this site and thought I would share with the DU Community. You can "win" $$$$:

http://challenge.gov/

Challenge.gov is a place where the public and government can solve problems together.

Recent Challenges include:

National Natural Landmarks Program Photo Contest
Created by National Park Service

Calling all photographers! Submit your favorite National Natural Landmark site photos to highlight and illustrate our Nation's diverse and scenic natural heritage.

View details
Submissions
Ending in 3 months

... Connecting Generations Video Challenge
Created by Administration on Aging

Older Americans: Connecting the Community

View details
Submissions
Ending in 25 days
32

... Design and simulation of an accurate shooter-locator
Created by U.S. Air Force

We are looking for a design of a shooter locator that can detect any small arms fire within a fraction of a second and pinpoint its source accurately (within a few meters) within a few seconds

View details
Ending in 25 days
$50,000
in prizes

... Vehicle Stopper
Created by U.S. Air Force

The Seeker is looking for an affordable means of stopping an uncooperative fleeing vehicle without permanent damage to the vehicle or harming any of the occupants.

View details
........

More on the site.