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Old NASA Towers – level 1
19-07-2018 07:00
Cape Canaveral is in Florida. NASA launches rockets there....A Czech man changes the world of 3D printing – level 1
11-11-2025 07:00
Josef Průša is a Czech inventor. He changes the...A Czech man changes the world of 3D printing – level 2
11-11-2025 07:00
Josef Průša is a Czech entrepreneur and engineer who...A Czech man changes the world of 3D printing – level 3
11-11-2025 07:00
Czech visionary Josef Průša has redefined additive manufacturing through...How old is the Moon? – level 3
20-08-2025 15:00
In 1972, during the Apollo 17 mission, astronauts collected...