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 ▼ | |
|---|---|---|---|---|---|---|
| 101 |  | Electronics | Branch of physics and electrical engineering | Technology | +1 / -1 / 0 | 0.500000 |
| 102 |  | Abacus | Calculating tool | Technology | +0 / -0 / 0 | 0.500000 |
| 103 | Abrasive | Rough material used to shape or finish objects by friction | Technology | +0 / -0 / 0 | 0.500000 | |
| 104 |  | Adhesive | Non-metallic material used to bond various materials together | Technology | +0 / -0 / 0 | 0.500000 |
| 105 |  | Aerospace engineering | Branch of engineering | Technology | +0 / -0 / 0 | 0.500000 |
| 106 | Agricultural science | Academic field within biology | Technology | +0 / -0 / 0 | 0.500000 | |
| 107 | Agronomy | Science of producing and using plants | Technology | +0 / -0 / 0 | 0.500000 | |
| 108 |  | Air conditioning | Cooling of air in an enclosed space | Technology | +0 / -0 / 0 | 0.500000 |
| 109 |  | Aircraft carrier | Warship that serves as a seagoing airbase | Technology | +0 / -0 / 0 | 0.500000 |
| 110 |  | Airline | Company that provides air transport services for passengers and freight | Technology | +0 / -0 / 0 | 0.500000 |
| 111 |  | Airport | Facility with a runway for aircraft | Technology | +0 / -0 / 0 | 0.500000 |
| 112 |  | Airship | Powered lighter-than-air aircraft | Technology | +0 / -0 / 0 | 0.500000 |
| 113 |  | Akashi Kaikyo Bridge | Suspension bridge in Kobe, Japan | Technology | +0 / -0 / 0 | 0.500000 |
| 114 |  | Amateur radio | Non-commercial use of the radio spectrum | Technology | +0 / -0 / 0 | 0.500000 |
| 115 |  | Ambulance | Vehicle equipped for transporting and care of people | Technology | +0 / -0 / 0 | 0.500000 |
| 116 |  | Ammunition | Material fired, scattered, dropped, or detonated from a weapon or weapon system | Technology | +0 / -0 / 0 | 0.500000 |
| 117 |  | Amplifier | Electronic device/component that increases the strength of a signal | Technology | +0 / -0 / 0 | 0.500000 |
| 118 | Android (operating system) | Operating system for mobile devices | Technology | +0 / -0 / 0 | 0.500000 | |
| 119 |  | Animal husbandry | Management of farm animals | Technology | +0 / -0 / 0 | 0.500000 |
| 120 |  | Antenna (radio) | Device that transmits and receives radio waves | Technology | +0 / -0 / 0 | 0.500000 |
| 121 |  | Anti-reflective coating | Optical coating that reduces reflection | Technology | +0 / -0 / 0 | 0.500000 |
| 122 |  | Apollo 11 | First crewed Moon landing (1969) | Technology | +0 / -0 / 0 | 0.500000 |
| 123 |  | Aquaculture | Farming of aquatic organisms | Technology | +0 / -0 / 0 | 0.500000 |
| 124 |  | Aqueduct (water supply) | Structure constructed to convey water | Technology | +0 / -0 / 0 | 0.500000 |
| 125 |  | Architectural engineering | Engineering discipline of engineering systems of buildings | Technology | +0 / -0 / 0 | 0.500000 |
| 126 |  | Armour | Covering used to protect from physical injury or damage | Technology | +0 / -0 / 0 | 0.500000 |
| 127 | Artificial intelligence | Intelligence of machines | Technology | +0 / -0 / 0 | 0.500000 | |
| 128 |  | Assembly language | Low-level programming language family | Technology | +0 / -0 / 0 | 0.500000 |
| 129 |  | Assembly line | Manufacturing process | Technology | +0 / -0 / 0 | 0.500000 |
| 130 |  | Astronaut | Spacecraft crew member | Technology | +0 / -0 / 0 | 0.500000 |
| 131 |  | Aswan High Dam | Dam in Aswan, Egypt | Technology | +0 / -0 / 0 | 0.500000 |
| 132 |  | Atacama Large Millimeter Array | 66-telescope radio observatory in Chile | Technology | +0 / -0 / 0 | 0.500000 |
| 133 |  | Atomic clock | Clock that monitors the resonant frequency of atoms | Technology | +0 / -0 / 0 | 0.500000 |
| 134 |  | Attack aircraft | Tactical military aircraft | Technology | +0 / -0 / 0 | 0.500000 |
| 135 |  | Authentication | Act of proving an assertion | Technology | +0 / -0 / 0 | 0.500000 |
| 136 |  | Automation | Use of various control systems for operating equipment | Technology | +0 / -0 / 0 | 0.500000 |
| 137 |  | Aviation | Activities surrounding aircraft industry | Technology | +0 / -0 / 0 | 0.500000 |
| 138 |  | Axe | Type of wedge tool | Technology | +0 / -0 / 0 | 0.500000 |
| 139 |  | Axle | Central shaft for a rotating wheel or gear | Technology | +0 / -0 / 0 | 0.500000 |
| 140 |  | Ballista | Ancient ranged weapon | Technology | +0 / -0 / 0 | 0.500000 |
| 141 |  | Balloon (aeronautics) | Type of aerostat that remains aloft due to its buoyancy | Technology | +0 / -0 / 0 | 0.500000 |
| 142 |  | Bandage | Material used to support a medical dressing or injured body part | Technology | +0 / -0 / 0 | 0.500000 |
| 143 |  | Barcode | Optical machine-readable representation of data | Technology | +0 / -0 / 0 | 0.500000 |
| 144 |  | Barn | Agricultural building used for storage and as a covered workplace | Technology | +0 / -0 / 0 | 0.500000 |
| 145 |  | Barometer | Scientific instrument used to measure atmospheric pressure | Technology | +0 / -0 / 0 | 0.500000 |
| 146 |  | Basket weaving | Weaving of pliable materials to make three-dimensional artifacts | Technology | +0 / -0 / 0 | 0.500000 |
| 147 |  | Battering ram | Siege engine originating in ancient times | Technology | +0 / -0 / 0 | 0.500000 |
| 148 |  | Battle axe | Axe specifically designed for combat | Technology | +0 / -0 / 0 | 0.500000 |
| 149 |  | Battleship | Large armored warship with a main battery consisting of heavy caliber guns | Technology | +0 / -0 / 0 | 0.500000 |
| 150 |  | Bayonet | Bladed weapon attached to the end of a firearm | Technology | +0 / -0 / 0 | 0.500000 |
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