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jan 1, 1958 - Aperture Science begins forming control groups for experimentation with cranial microchip implantation. (Portal 2: The Official Guide)

Description:

- 1958
- Aperture Science constructs Test Shaft 09 Chambers 27 and 28, and begins forming control groups for experimentation with cranial microchip implantation.

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Half-Life and Portal Universe Timeline

ByThe Fancy Fedora
25 Dec 2018
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Date:

jan 1, 1958
Now
~ 67 years ago
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