How to improve your self-confidence even if you have failed

Sometimes even years of planning and hard work are not enough to protect you from failure. Astronomer Erika Hamden, a professor of astrophysics at the University of Arizona, together with a team of scientists, spent 10 years building the FIREBall telescope to observe clouds of hydrogen gas in the stratosphere. But when it was launched in September 2018, there was a problem ...