Could a ball made of bamboo and biodegradable plastic detonate deadly landmines? Afghan designer Massoud Hassani says his device can do just that, despite the scepticism of some experts.
Deadline: Jul 25 2013
This challenge provides an opportunity for Solvers to build a web-based or mobile “app” to explore data relationships in scholarly conte
Deadline: Jun 29 2013
Reward: $7,000 USD
The Seeker for this Challenge desires proposals for chemical methods that could rapidly degrade a dilute aqueous solution
Get Both Print & Tablet Editions for one low price!X