Bimek is another promising nonhormonal male contraceptive. It is literally an implanted valve controlled by a switch. http://arstechnica.com/science/2016/01/

Bimek is another promising nonhormonal male contraceptive. It is literally an implanted valve controlled by a switch. http://arstechnica.com/science/2016/01/sperm-off-switch-may-offer-men-reversible-contraceptive/ http://arstechnica.com/science/2016/01/sperm-off-switch-may-... of course the health industry is bored by non-ingestible medical solutions as they don't conform to subscription pricing