Did you know that all over the world, there are as many as 2.5 billion people who have no access to safe sanitation? This includes around 1 billion people who have no plumbing mechanisms and 1 million people to utilize pit latrines. The Bill and Melinda Gates Foundation is working to make that better, one competition at a time. The Reinvent the Toilet Fair is aimed at bringing brilliant inventors together to create plumbing and safe water solutions that are applicable in all kinds of areas. These folks aren’t trying to make the best commercial bathroom sinks or walk in…