International Physicists' Tournament 2020 IPT connect | IPT2020
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4. Electrostatic copier

If you rub against each other two sheets of paper, one of which contains text, they become electrified. The electrical pattern that is formed on the clear sheet may be analyzed later to restore the text, depending on the way the text was created. Propose and build a setup to recover an image of the original text with the highest possible resolution.

Report Opposition Review
Pakistan

6.33

Russia

7.33

MEAN

7.33

6.33

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