Science Rendezvous, Science Rendezvous: Where Science and People Meet! This free festival has over 300 events occurring across 30 cities with 1000’s of mind-blowing activities. Science Rendezvous is Canada’s largest celebration of the amazing feats of science and engineering happening right here at home. You're invited to Canada’s top research institutions and partner sites to experience the truly amazing innovation happening in our country. Free for you, something for everyone at Science Rendezvous!.