Ex.1. Study the vocabulary:
to come from — ïîõîäèòè â³ä
both…and — ³…³
to be made up of — ñêëàäàòèñÿ ç
with a very bright light — ïðè äóæå ÿñêðàâîìó ñâ³òë³
that does not matter — íå ìຠçíà÷åííÿ
one spot at a time — ïî îäí³é ïëÿì³ çà ðàç
line by line — ë³í³ÿ çà ë³í³ºþ
to consist in — çàêëþ÷àòèñÿ â
to analize into elements — ðîçêëàäàòè íà åëåìåíòè
to reconvert — çíîâó çáèðàòè
to take advantage of — âèêîðèñòîâóâàòè
photoelectric cell — ôîòîåëåìåíò
to blow — òåêòè
electronic tube — åëåêòðîííà ëàìïà
to amplify — çá³ëüøóâàòè
current — åëåêòðè÷íèé ñòðóì