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- Rejector Circuit Board, Type SE-3523, 1918 - In radio's early years, as airwaves grew more crowded, amateur operators and commercial transmitting stations alike were frustrated by static interference. Interference was human generated or atmospheric; common culprits included proximity to AC power lines or overlapping transmissions from multiple stations. The rejector circuit board diminished and eliminated unwanted, intrusive wireless signals, resulting in clear reception of a desired channel.

- 1918
- Collections - Artifact
Rejector Circuit Board, Type SE-3523, 1918
In radio's early years, as airwaves grew more crowded, amateur operators and commercial transmitting stations alike were frustrated by static interference. Interference was human generated or atmospheric; common culprits included proximity to AC power lines or overlapping transmissions from multiple stations. The rejector circuit board diminished and eliminated unwanted, intrusive wireless signals, resulting in clear reception of a desired channel.
- Custom Circuit Board Created for Project Aries/Ansible by Andrew "Bunnie" Huang, July 2001 - When Andrew "bunnie" Huang used a screwdriver to open his Microsoft Xbox, he willingly opened a legal Pandora's box. Marketed as a simple gaming system, the Xbox was actually a powerful computer with locked down features. Huang's modifications unlocked the system's full potential--and challenged copyright law. His book, "Hacking the Xbox," is a controversial guidebook for the "mod-chipping" movement.

- July 01, 2001
- Collections - Artifact
Custom Circuit Board Created for Project Aries/Ansible by Andrew "Bunnie" Huang, July 2001
When Andrew "bunnie" Huang used a screwdriver to open his Microsoft Xbox, he willingly opened a legal Pandora's box. Marketed as a simple gaming system, the Xbox was actually a powerful computer with locked down features. Huang's modifications unlocked the system's full potential--and challenged copyright law. His book, "Hacking the Xbox," is a controversial guidebook for the "mod-chipping" movement.
- Circuit Board for a Mowtron Mower, 1974 - "Mowtron...Mows while you Doze!" The American Marketing and Sales Company stressed computerized operation to encourage adoption of its autonomous lawn mower. The machine followed signals emitted by a transistorized guidance system, eliminating the need for homeowners to dedicate valuable time to lawn care. Built-in features like sensitized bumpers eased safety concerns, though sales fell far short of the company's dreams.

- 1974
- Collections - Artifact
Circuit Board for a Mowtron Mower, 1974
"Mowtron...Mows while you Doze!" The American Marketing and Sales Company stressed computerized operation to encourage adoption of its autonomous lawn mower. The machine followed signals emitted by a transistorized guidance system, eliminating the need for homeowners to dedicate valuable time to lawn care. Built-in features like sensitized bumpers eased safety concerns, though sales fell far short of the company's dreams.
- Microsoft Xbox Circuit Board, Modified by Andrew "Bunnie" Huang, circa 2002 - When Andrew "bunnie" Huang used a screwdriver to open his Microsoft Xbox, he willingly opened a legal Pandora's box. Marketed as a simple gaming system, the Xbox was actually a powerful computer with locked down features. Huang's modifications unlocked the system's full potential--and challenged copyright law. His book, "Hacking the Xbox," is a controversial guidebook for the "mod-chipping" movement.

- circa 2002
- Collections - Artifact
Microsoft Xbox Circuit Board, Modified by Andrew "Bunnie" Huang, circa 2002
When Andrew "bunnie" Huang used a screwdriver to open his Microsoft Xbox, he willingly opened a legal Pandora's box. Marketed as a simple gaming system, the Xbox was actually a powerful computer with locked down features. Huang's modifications unlocked the system's full potential--and challenged copyright law. His book, "Hacking the Xbox," is a controversial guidebook for the "mod-chipping" movement.