This contraceptive lets men literally switch their fertility off and on

When it comes to contraceptives, men really only have one of two options: condoms or a vasectomy. Most people feel that condoms detract from the experience of sex, and a vasectomy is a potentially permanent surgical procedure, so for people who want the full enjoyment of sex without the risk of becoming infertile, oral contraceptives for women are pretty much the only option. At least, that’s the way things used be before a German carpenter by the name of Clemens Bimek created a device that allows men to literally switch their fertility off and on whenever they want. It achieves the same results as a vasectomy, but without any of the risks involved.