GSBC 2020 Announced! GSBC 2020 Starts April 3. Closing date of the window will depend on what happens with the coronovirus. At minimum, window is extended until August 1, 2020. Please stay safe and abide by local recommendations.
We're from Tartu and making our second balloon with some upgrades and more experience
A little event with youngsters from primary school.
Because the project is very cool!