optical tuning
101Blivet — This blivet portrays two irreconcilable perspectives at once: descending from the top are two bars with rectangular cross section, while ascending from the bottom are three cylindrical rods …
102Timeline of historic inventions — The timeline of historic inventions is a chronological list of particularly important or significant technological inventions. Note: Dates for inventions are often controversial. Inventions are often invented by several inventors around the same… …
103Citizens' band radio — Typical 1980s CB base station, used with outdoor antenna. This radio may also be used in an automobile, since it is powered by 13.8V DC. Shown with Astatic Power D 104 desk mic …
104High-temperature superconductivity — Unsolved problems in physics What causes superconductivity at temperatures above 50 kelvin? High temperature superconductors (abbreviated high Tc or HTS) are materials that have a superconducting transition temperature (Tc) above 30 K… …
105Medium wave — Main article: Medium frequency Medium wave (MW) is the part of the medium frequency (MF) radio band used mainly for AM broadcasting. For Europe the MW band ranges from 526.5 kHz to 1606.5 kHz[1] and in North America an extended MW… …
106IS-95 — Samsung cdmaOne mobile phone disassembled Interim Standard 95 (IS 95) is the first CDMA based digital cellular standard by Qualcomm. The brand name for IS 95 is cdmaOne. IS 95 is also known as TIA EIA 95. It is a 2G mobile telecommunications… …
107Magnetic refrigeration — Gadolinium alloy heats up inside the magnetic field and loses thermal energy to the environment, so it exits the field cooler than when it entered. Magnetic refrigeration is a cooling technology based on the magnetocaloric effect. This technique… …
108Low-power broadcasting — Contents 1 United States 1.1 FM radio 1.1.1 LPFM classes 1.1.2 …
109OSCAR — This article is about the satellite. For other uses, see Oscar (disambiguation). OSCAR 1 OSCAR is an acronym for Orbiting Satellite Carrying Amateur Radio. OSCAR series satellites use amateur radio frequencies to facilitate communication between… …
110Oxygen sensor — Contents 1 Automotive applications 1.1 Function of a lambda probe 1.2 The probe …
