Key dates in science
1888Heinrich Hertz, a German physicist, demonstrated the existence of radio waves.
1895Moving pictures were first shown in public in France.
1895X-rays were discovered by the German physicist Wilhelm Rontgen, and the first X-ray photograph was taken.
1895The Italian physicist Guglielmo Marconi developed and demonstrated radio transmission.
1896Antoine Becquerel, a French physicist, discovered radioactivity.
LESSON 13
Grammar. Інфінітив, його форми та функції..
Text 13A. Lasers.
Text 13B. Optical Technology.
Topic. Developing of Telecommunications.
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