Explorer

Petroleum pipeline leaks are costly – for business and for the environment. Researchers are now developing bacteria-based sensors to detect hydrocarbons released by a leak – and emit a wireless alert signal to technicians.

Between 1952 and 1959, Avro Canada developed an advanced all-weather fighter interceptor called the CF-105 Arrow. This aircraft, with its futuristic, delta-wing design, captured Canadians’ imaginations in a way few projects have, before or since.