Question
Answer the following about every-day inventions that were pioneered by African-Americans. For 10 points each:
[10e] Garrett Morgan is credited with inventing the “two-way” form of these signaling devices whose three red, yellow, and green colors often control the flow of vehicles at intersections.
ANSWER: traffic lights [accept traffic signals; accept stop lights; accept robots from South Africas]
[10m] Along with her husband, Marie Van Brittan Brown received the first patent for an invention which provides this service. ADT and Vivint are companies which provide this service.
ANSWER: home security [accept obvious equivalents like burglar alarms]
[10h] Albert T. Marshall patented the first mechanical examples of these devices, which are made up of a compressor, condenser, evaporator, and expansion device.
ANSWER: refrigerators [accept fridges]
<Other Academic - Other Academic>
Data
| Team | Opponent | Part 1 | Part 2 | Part 3 | Total |
|---|---|---|---|---|---|
| USN A | Merrol-Hyde | 10 | 10 | 10 | 30 |
| USN B | USN MS | 10 | 10 | 10 | 30 |
| USN C | Vanderbilt | 10 | 0 | 0 | 10 |
Summary
| Tournament | Edition | Exact Match? | Heard | PPB | Easy % | Medium % | Hard % |
|---|---|---|---|---|---|---|---|
| Snowball Fight 2 | 1/11/2025 | Y | 3 | 23.33 | 100% | 67% | 67% |
| 2024 FARSI @ Columbia | 12/08/2024 | N | 10 | 17.00 | 100% | 60% | 10% |