Technical text for listening. Технические тексты для аудирования

5 3.8. What is Sound? ..............................................................................................60 3.9. Using sound…………………………………………………………………61 3.10. Lasers………………………………………………………………………62 3.11. Electronics…………………………………………………………………63 3.12. James Watt (1736-1819)…………………………………………………...64 3.13. Alessandro Volta (1745-1827)…………………………………………….65 3.14. Andre-Marie Ampere (1775-1836)………………………………………..66 3.15. Michael Faraday (1791-1867)……………………………………………..67 3.16. James Clerk Maxwell (1831-1879)………………………………………..68 3.17. Heinrich Hertz (1857-1894)……………………………………………….69 3.18. Alexander Graham Bell (1847-1922)……………………………………...70 3.19. Thomas Edison (1847-1931)………………………………………………71 3.20. Nikola Tesla (1856-1943)………………………………………………….72 Tests …………………………………………………………………………….73 Audio script …...……………………………………………………………….. 76 Tests answers …………………………………………………………………..85 References ……………………………………………………………………...86