Comet C/2022 E3 (ZTF) added 10.02.2023
Round electromagnet (crane) added 08.02.2023
Universal electric meter LAVO-PT3 added 06.02.2023
Roller Coaster Loop Model added 07.01.2023
Geissler Tubes added 12.08.2022
Crookes radiometer added 11.07.2022
Galvanometer GL-1 added 02.07.2022
Communicating vessels added 10.01.2022
Spinthariscope added 04.09.2021
Magnetic field lines around current
carrying conductor added 08.07.2021
Lightning strike added 12.08.2020
Comet C/2020 F3 (NEOWISE) added 24.07.2020
Gravesande's ring and ball added 04.01.2020
