Leaderboard
10,033 things · 1,900 votes cast · cast a vote
All | Arts | Biology and health sciences | Everyday life | Geography | History | Mathematics | People | Philosophy and religion | Physical sciences | Society and social sciences | Technology
| # | Thing | Description | Topic | Up/Down/Net | Score ▼ | |
|---|---|---|---|---|---|---|
| 1 |  | Thermometer | Device to measure temperature | Technology | +2 / -0 / +2 | 0.545455 |
| 2 |  | Dome | Architectural element similar to the hollow upper half of a sphere; there are many types | Technology | +2 / -0 / +2 | 0.545455 |
| 3 | Oil refinery | Facility that processes crude oil | Technology | +2 / -0 / +2 | 0.545455 | |
| 4 |  | Open-source software | Software with publicly available source code | Technology | +2 / -0 / +2 | 0.545455 |
| 5 |  | Punched card | Paper-based recording medium | Technology | +2 / -0 / +2 | 0.545455 |
| 6 |  | Industrial robot | Robot used in manufacturing | Technology | +1 / -0 / +1 | 0.523810 |
| 7 |  | Archimedes' screw | Hydraulic machine | Technology | +1 / -0 / +1 | 0.523810 |
| 8 |  | Nanotechnology | Technology with features near one nanometer | Technology | +1 / -0 / +1 | 0.523810 |
| 9 |  | Rail transport | Mode of transport | Technology | +1 / -0 / +1 | 0.523810 |
| 10 |  | Pagoda | Usually religious tower in Asian countries | Technology | +1 / -0 / +1 | 0.523810 |
| 11 |  | Fossil fuel | Fuel formed naturally from dead plants and animals | Technology | +1 / -0 / +1 | 0.523810 |
| 12 |  | Air traffic control | Service to direct pilots of aircraft | Technology | +1 / -0 / +1 | 0.523810 |
| 13 |  | Paper | Material for writing, printing, etc. | Technology | +1 / -0 / +1 | 0.523810 |
| 14 |  | Switch | Electrical component that can break an electrical circuit | Technology | +1 / -0 / +1 | 0.523810 |
| 15 |  | Polymerase chain reaction | Laboratory technique to multiply a DNA sample for study | Technology | +1 / -0 / +1 | 0.523810 |
| 16 |  | Mail sent using electronic means | Technology | +1 / -0 / +1 | 0.523810 | |
| 17 |  | Tower block | Tall building | Technology | +1 / -0 / +1 | 0.523810 |
| 18 |  | Sensor | Converter that measures a physical quantity and converts it into a signal | Technology | +1 / -0 / +1 | 0.523810 |
| 19 |  | Riverboat | Watercraft designed for inland navigation | Technology | +1 / -0 / +1 | 0.523810 |
| 20 |  | Computer science | Study of computation | Technology | +1 / -0 / +1 | 0.523810 |
| 21 |  | Inclined plane | Tilted flat supporting surface | Technology | +1 / -0 / +1 | 0.523810 |
| 22 |  | System for transporting documents and other small packages | Technology | +1 / -0 / +1 | 0.523810 | |
| 23 |  | Text messaging | Act of typing and sending a brief, digital message | Technology | +1 / -0 / +1 | 0.523810 |
| 24 |  | DNA profiling | Technique used to identify individuals via DNA characteristics | Technology | +1 / -0 / +1 | 0.523810 |
| 25 |  | Saw | Tool used to cut through wood or other materials | Technology | +1 / -0 / +1 | 0.523810 |
| 26 |  | Aircraft | Vehicle or machine that can fly by gaining support from the air | Technology | +1 / -0 / +1 | 0.523810 |
| 27 | Programming paradigm | High-level computer programming conceptualization | Technology | +1 / -0 / +1 | 0.523810 | |
| 28 |  | Porcelain | Ceramic material | Technology | +1 / -0 / +1 | 0.523810 |
| 29 |  | Thread (textiles) | Type of yarn used for sewing | Technology | +1 / -0 / +1 | 0.523810 |
| 30 |  | Computer simulation | Process of mathematical modelling, performed on a computer | Technology | +1 / -0 / +1 | 0.523810 |
| 31 |  | Natural gas | Gaseous fossil fuel | Technology | +1 / -0 / +1 | 0.523810 |
| 32 |  | Renewable energy | Energy collected from renewable resources | Technology | +1 / -0 / +1 | 0.523810 |
| 33 |  | Barge | Flat-bottomed watercraft for transport of bulk goods | Technology | +1 / -0 / +1 | 0.523810 |
| 34 |  | Railway track | Rail infrastructure | Technology | +1 / -0 / +1 | 0.523810 |
| 35 |  | Vacuum tube | Device that controls current between electrodes | Technology | +1 / -0 / +1 | 0.523810 |
| 36 |  | Chemical weapon | Device that uses chemicals to kill or harm individuals | Technology | +1 / -0 / +1 | 0.523810 |
| 37 |  | Sailing | Propulsion of a vehicle by wind power | Technology | +1 / -0 / +1 | 0.523810 |
| 38 |  | Central processing unit | Central computer component that executes instructions | Technology | +1 / -0 / +1 | 0.523810 |
| 39 |  | NASA | American space and aeronautics agency | Technology | +1 / -0 / +1 | 0.523810 |
| 40 |  | Forging | Metalworking process | Technology | +1 / -0 / +1 | 0.523810 |
| 41 |  | Waste management | Activities and actions required to manage waste from its source to its final disposal | Technology | +1 / -0 / +1 | 0.523810 |
| 42 |  | Glasses | Form of vision aid | Technology | +1 / -0 / +1 | 0.523810 |
| 43 |  | Linux | Family of Unix-like operating systems that use the Linux kernel | Technology | +1 / -0 / +1 | 0.523810 |
| 44 |  | Computer hardware | Physical components of a computer | Technology | +1 / -0 / +1 | 0.523810 |
| 45 |  | Gunpowder | Type of firearm propellant | Technology | +1 / -0 / +1 | 0.523810 |
| 46 |  | Chain | Series of connected links which are typically made of metal | Technology | +1 / -0 / +1 | 0.523810 |
| 47 |  | Power supply | Electronic device that converts or regulates electric energy and supplies it to a load | Technology | +1 / -0 / +1 | 0.523810 |
| 48 |  | Aircraft engine | Engine designed for use in powered aircraft | Technology | +1 / -0 / +1 | 0.523810 |
| 49 |  | Hydroelectricity | Electricity generated by hydropower | Technology | +1 / -0 / +1 | 0.523810 |
| 50 |  | Steam locomotive | Railway locomotive that produces its pulling power through a steam engine | Technology | +1 / -0 / +1 | 0.523810 |
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