Packet 5: Bonus 13
For 10 points each, answer the following about African inventions in the field of “appropriate technology,” which applies E. F. Schumacher’s ideas to find affordable solutions to low-resource problems.
[10e] Ugandan inventor Moses Kizza Musaazi founded Technology for Tomorrow to spread appropriate technology projects like bricks free of this chemical binder, whose Portland variety developed from hydraulic lime.
ANSWER: cement [accept Portland cement or hydraulic cement]
[10m] Malawian student William Kamkwamba went to Dartmouth after he wrote a bestselling memoir about building one of these devices from blue gum tree trunks and bicycle parts.
ANSWER: windmills [accept wind turbines; accept The Boy Who Harnessed the Wind]
[10h] Senegalese engineer Sanoussi Diakité won a Rolex Award for Enterprise for a machine to husk this West African millet. Chef Pierre Thiam (“tee-AHM”) sells this grain under his brand Yolélé Foods.
ANSWER: fonio [or findi or acha; or Digitaria or D. exilis and D. iburua]
<Editors, Other Academic> | E. Prelims 5 - Indiana + Vanderbilt + MIT
| Heard | PPB | E % | M % | H % |
|---|---|---|---|---|
| 21 | 12.38 | 95% | 29% | 0% |
Conversion
| Team | Opponent | Part 1 | Part 2 | Part 3 | Total | Parts |
|---|---|---|---|---|---|---|
| Brown | Stanford B | 10 | 0 | 0 | 10 | E |
| Cambridge | North Carolina | 10 | 0 | 0 | 10 | E |
| Chicago A | Georgetown | 10 | 0 | 0 | 10 | E |
| Cornell | NYU B | 10 | 0 | 0 | 10 | E |
| Georgia Tech B | Maryland B | 10 | 10 | 0 | 20 | EM |
| Harvard | Texas | 10 | 0 | 0 | 10 | E |
| Maryland A | Waterloo | 10 | 0 | 0 | 10 | E |
| Michigan | Illinois B | 0 | 0 | 0 | 0 | |
| Minnesota | Toronto A | 10 | 0 | 0 | 10 | E |
| NYU A | Illinois A | 10 | 0 | 0 | 10 | E |
| Northwestern A | Bruin | 10 | 10 | 0 | 20 | EM |
| Ohio State | Georgia Tech A | 10 | 10 | 0 | 20 | EM |
| Penn State | Purdue | 10 | 0 | 0 | 10 | E |
| Pittsburgh | Columbia B | 10 | 10 | 0 | 20 | EM |
| Rutgers | British Columbia | 10 | 0 | 0 | 10 | E |
| Stanford A | Chicago B | 10 | 10 | 0 | 20 | EM |
| Toronto B | Georgia Tech C | 10 | 10 | 0 | 20 | EM |
| UC Berkeley A | UCF | 10 | 0 | 0 | 10 | E |
| UC Berkeley B | Johns Hopkins | 10 | 0 | 0 | 10 | E |
| Virginia | Columbia A | 10 | 0 | 0 | 10 | E |
| Virginia Tech | UCLA | 10 | 0 | 0 | 10 | E |
Summary
| Tournament | Edition | Match | Heard | PPB | E % | M % | H % |
|---|---|---|---|---|---|---|---|
| Main Site | 2026-04-17 | ✓ | 21 | 12.38 | 95% | 29% | 0% |