లాగిన్ చేయి
1960s: Slate. Man with a bar magnet on a pivot. He points to the poles of the magnet. He brings up another magnet and the pivot magnet deflects. Slate. Like poles cause pivot to move.
CIRCA 1940 - A classic 1950's idealized family having dinner in the dining room and in the kitchen.
1950s: Hand holds a black sheet of paper beside a concave mirror. A dot of light reflects on the paper. Detail of concentrated light on the paper.
CIRCA 1961 _ A nuclear fuel element is put in place, and construction workers stand by to see if connection of nuclear power plants was successful.
1960s: Iron filings sprinkle on a sheet over bar magnets, two with opposite poles, two with matching poles. Slate. Fingers point to the pattern of iron filings on a sheet lit by a light box.
1960s: Candle is lit. Balance scales with brass weights on one side. Other side has candle below vial with white substance inside.
1960s: Probe hanging from string. Hand holding probe. tips touching. spinning on string. Hand holding clapperboard. Man blowing on hanging probe.

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1104399423
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స్టాక్ వీడియో ID: 1104399423

1960s: Slate. Magnet on a wood support. Man lifts a rivet on a string until it is suspended. He points to the magnet and rivet. He holds three pieces of glass between magnet and river. He points.

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  • 0:39

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అప్‌లోడ్ తేదీ: 29, మే 2023

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