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Norm
Norm
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Give your friend a red light and a green light. The red ball will appear dark under the green light, while the green ball will appear dark under the red light. He can see they are different without knowing which is which

Give your friend a red light and a green light. The red ball will appear dark under the green light, while the green ball will appear dark under the red light. He can see they are different without knowing which is which

Give your friend a red light and a green light. The red ball will appear dark under the green light, while the green ball will appear dark under the red light. He can see they are different without knowing which is which

Give your friend a red light and a green light. The red ball will appear dark under the green light, while the green ball will appear dark under the red light. He can see they are different without knowing which is which

Source Link
Norm
Norm
  • 259
  • 1
  • 5

Give your friend a red light and a green light. The red ball will appear dark under the green light, while the green ball will appear dark under the red light. He can see they are different without knowing which is which