Leaderboard
727 things · 153 votes cast · add yours
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 | For | Against | Net | |
|---|---|---|---|---|---|---|---|
| 601 | Space exploration | Investigation of outer space | Technology | 0 | 0 | 0 | |
| 602 | Space station | Habitable artificial satellite | Technology | 0 | 0 | 0 | |
| 603 | Spacecraft | Vehicle or machine designed to fly in space | Technology | 0 | 0 | 0 | |
| 604 | Spaceflight | Flight into or through outer space | Technology | 0 | 0 | 0 | |
| 605 | Spear | Polearm with a long shaft and pointed head used for thrusting or throwing | Technology | 0 | 0 | 0 | |
| 606 | Spectrometer | Used to measure spectral components of light | Technology | 0 | 0 | 0 | |
| 607 | Speech synthesis | Artificial production of human speech | Technology | 0 | 0 | 0 | |
| 608 | Spreadsheet | Computer program for working with tabular data | Technology | 0 | 0 | 0 | |
| 609 | Spring (device) | Elastic object that stores mechanical energy | Technology | 0 | 0 | 0 | |
| 610 | Sputnik 1 | First artificial Earth satellite | Technology | 0 | 0 | 0 | |
| 611 | Stable | Building for horses and other livestock | Technology | 0 | 0 | 0 | |
| 612 | Stairs | Construction that bridges a large vertical distance with steps | Technology | 0 | 0 | 0 | |
| 613 | Standardization | Implementation of technical standards based on the consensus of different parties | Technology | 0 | 0 | 0 | |
| 614 | Stealth technology | Military technology to make personnel and material less visible | Technology | 0 | 0 | 0 | |
| 615 | Steam engine | Engine that uses steam to perform mechanical work | Technology | 0 | 0 | 0 | |
| 616 | Steam locomotive | Railway locomotive that produces its pulling power through a steam engine | Technology | 0 | 0 | 0 | |
| 617 | Steam turbine | Machine that uses steam to rotate a shaft | Technology | 0 | 0 | 0 | |
| 618 | Steamship | Type of steam-powered vessel | Technology | 0 | 0 | 0 | |
| 619 | Steelmaking | Process for producing steel | Technology | 0 | 0 | 0 | |
| 620 | Stethoscope | Medical device for auscultation | Technology | 0 | 0 | 0 | |
| 621 | Stove | Device used to generate heat or to cook | Technology | 0 | 0 | 0 | |
| 622 | Submarine | Watercraft capable of independent underwater operation | Technology | 0 | 0 | 0 | |
| 623 | Subsistence agriculture | Farming to meet basic needs | Technology | 0 | 0 | 0 | |
| 624 | Sundial | Time-telling device | Technology | 0 | 0 | 0 | |
| 625 | Supercomputer | Type of extremely powerful computer | Technology | 0 | 0 | 0 | |
| 626 | Sustainable agriculture | Farming approach | Technology | 0 | 0 | 0 | |
| 627 | Switch | Electrical component that can break an electrical circuit | Technology | 0 | 0 | 0 | |
| 628 | Sword | Long bladed weapon | Technology | 0 | 0 | 0 | |
| 629 | Syringe | Medical injection device | Technology | 0 | 0 | 0 | |
| 630 | System | Interrelated entities that form a whole | Technology | 0 | 0 | 0 | |
| 631 | Tank | Tracked heavy armoured fighting vehicle | Technology | 0 | 0 | 0 | |
| 632 | Tanker (ship) | Ship designed to transport liquids or gases in bulk | Technology | 0 | 0 | 0 | |
| 633 | Tapestry | Form of textile art, traditionally woven on a vertical loom | Technology | 0 | 0 | 0 | |
| 634 | Taxi | Type of vehicle for hire with a driver | Technology | 0 | 0 | 0 | |
| 635 | Technology | Use of knowledge for practical goals | Technology | 0 | 0 | 0 | |
| 636 | Telecommunications | Transmission of information electromagnetically | Technology | 0 | 0 | 0 | |
| 637 | Telegraphy | Long distance transmission of text | Technology | 0 | 0 | 0 | |
| 638 | Telephone | Telecommunications device | Technology | 0 | 0 | 0 | |
| 639 | Telescope | Instrument that makes distant objects appear magnified | Technology | 0 | 0 | 0 | |
| 640 | Television | Medium for transmitting moving images and sound | Technology | 0 | 0 | 0 | |
| 641 | Text messaging | Act of typing and sending a brief, digital message | Technology | 0 | 0 | 0 | |
| 642 | Textile | Various fibre-based materials | Technology | 0 | 0 | 0 | |
| 643 | Theodolite | Optical surveying instrument | Technology | 0 | 0 | 0 | |
| 644 | Thermometer | Device to measure temperature | Technology | 0 | 0 | 0 | |
| 645 | Thermonuclear weapon | Multi-stage fusion-fission nuclear weapon | Technology | 0 | 0 | 0 | |
| 646 | Thread (textiles) | Type of yarn used for sewing | Technology | 0 | 0 | 0 | |
| 647 | Three Gorges Dam | Dam in Yiling District, Hubei, China | Technology | 0 | 0 | 0 | |
| 648 | Tillage | Preparation of soil by mechanical agitation | Technology | 0 | 0 | 0 | |
| 649 | Time zone | Area that observes a uniform standard time | Technology | 0 | 0 | 0 | |
| 650 | Tire | Ring-shaped covering around a wheel's rim | Technology | 0 | 0 | 0 |
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