הרצאה חוסך היום בלילה first succesful operatipon of laser לא בטוח מראה חיצוני לחזור בתשובה
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Theodore Maiman - Wikipedia
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opnmagazine on Twitter: "UNESCO chose May 16 as the international day of light in honor of the first successful operation of a laser. Check out this infographic for more on how the #
Laser - Wikipedia
laservision USA, LP - Today is International Day of Light 💡 The International Day of Light is the anniversary of the first successful operation of the laser in 1960 by physicist and
JIIT - Optica Student Chapter - The International Day of Light is celebrated on 16 May each year to commemorate the anniversary of the first successful operation of the laser in 1960
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