# English lessons presentations First semester: - On rheology of cats: [Letter](./On_rheology_of_cats.pdf) Second semester: - Arduino sound synthesis: [Code](https://git.dm1sh.ru/dm1sh/arduino_speaker) Third semester: - [Gravitational lensing](./Gravitational_lensing.md) - Methods of dark matter searching - [Microphones](./Microphones.md) - [Thermonuclear fusion](./Thermonuclear_fusion.md) Fourth semester: - [Radar and sonar](./Radar_and_sonar.md) - [Antenna connection](./Antenna_connection.md) - [Cellular automata](./Cellular_automata)