Physics | physics | Information Technology | United States Information Agency | Information technology | Institute of Physics | National Center for Biotechnology Information | information technology | Nobel Prize in Physics | Program and System Information Protocol | particle physics | Geographic information system | information | Applied Physics Laboratory | mathematical physics | IPTC Information Interchange Model | World Summit on the Information Society | American Institute of Physics | Right to Information Act | nuclear physics | National Telecommunications and Information Administration | International Physics Olympiad | Condensed matter physics | Central Office of Information | public information film | Nuclear Physics | intelligence (information gathering) | Information technology consulting | Freedom of information in the United Kingdom | Vital Information |
Anders Sandberg has presented a calculation based on theories of information physics and quantum gravity, establishing an upper bound of 8.6766×1049 angels.