Solar flares don’t just create beautiful polar lights, but can also damage satellites and disrupt power grids. Astrophysicist Sami Solanki attached a telescope to a giant helium balloon to research into the activity of the Sun
In principle, almost any encryption key can be broken - all you need is the right computing power. The situation is different, however, with quantum cryptography. Gerd Leuchs is researching this encryption technology of the future.