Archived challenges
These are the challenges that have expired or been solved.
10 000.00 EUR
Reducing Noise Pollution From Train Stations
Submission deadline: Jul 21, 2014
6 000.00 EUR
Lead Acid Battery Charge Estimation
Submission deadline: Jun 16, 2014
7 000.00 EUR
Use for Distillation Bottoms Product
Submission deadline: May 1, 2014
10 000.00 EUR
New Packaging Solution for Flat-pack Furniture
Submission deadline: Apr 10, 2014
2 000.00 EUR
Reducing Piano Sound in Residential Buildings
Submission deadline: Mar 9, 2014
30 000.00 EUR
Preserving Crunchiness in an Aqueous Base
Submission deadline: Jan 19, 2014
5 000.00 EUR
Transparent lid for water bottle
Submission deadline: Jan 15, 2014
15 000.00 EUR
Improving Drug Delivery Systems
Submission deadline: Sep 1, 2013
9 000.00 EUR
Database Anonymization Techniques
Submission deadline: Sep 1, 2013
10 000.00 EUR
Revenue Estimation of TV Everywhere
Submission deadline: Jul 14, 2013
