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  2. TDS Telecom - Wikipedia

    en.wikipedia.org/wiki/TDS_Telecom

    TDS Telecom is an American telecommunications company with headquarters in Madison, Wisconsin.It is a wholly owned subsidiary of Telephone and Data Systems Inc, and is the seventh-largest local exchange carrier in the U.S. TDS Telecom offers telephone, broadband Internet and television services to customers in 30 states and more than 900 rural and suburban communities, though it also serves ...

  3. TDS Metrocom - Wikipedia

    en.wikipedia.org/wiki/TDS_Metrocom

    TDS Metrocom. TDS Metrocom is TDS Telecom 's local phone business, providing customers with phone, data, and Internet services in a five-state area in the midwestern United States. Its central office is located at 3416 University Ave in Madison, Wisconsin. Unlike Telecom, Metrocom used a deal brokered by Tommy Thompson to allow for local phone ...

  4. Southern Pacific 2467 - Wikipedia

    en.wikipedia.org/wiki/Southern_Pacific_2467

    Southern Pacific Railroad 2467 is a preserved 4-6-2 “Pacific” type steam locomotive. Built by Baldwin in 1921, it was used by the Southern Pacific Railroad to pull passenger trains until it was retired from service in 1956. On July 25, 1960, it was donated to the city of Oakland, California, who had it placed on display at the Harrison ...

  5. Terahertz time-domain spectroscopy - Wikipedia

    en.wikipedia.org/wiki/Terahertz_time-domain...

    In physics, terahertz time-domain spectroscopy ( THz-TDS) is a spectroscopic technique in which the properties of matter are probed with short pulses of terahertz radiation. The generation and detection scheme is sensitive to the sample's effect on both the amplitude and the phase of the terahertz radiation. Fourier transform of the above pulse.

  6. Total dissolved solids - Wikipedia

    en.wikipedia.org/wiki/Total_dissolved_solids

    Total dissolved solids ( TDS) is a measure of the dissolved combined content of all inorganic and organic substances present in a liquid in molecular, ionized, or micro-granular ( colloidal sol) suspended form. TDS are often measured in parts per million (ppm). TDS in water can be measured using a digital meter.

  7. Income tax in India - Wikipedia

    en.wikipedia.org/wiki/Income_tax_in_India

    Corporate taxes (33.99%) Other taxes (2.83%) Excise taxes (20.84%) Customs duties (17.46%) Other taxes (8.68%) other taxes (11.96%) Income tax in India is governed by Entry 82 of the Union List of the Seventh Schedule to the Constitution of India, empowering the central government to tax non-agricultural income; agricultural income is defined ...

  8. Second law of thermodynamics - Wikipedia

    en.wikipedia.org/wiki/Second_law_of_thermodynamics

    t. e. The second law of thermodynamics is a physical law based on universal empirical observation concerning heat and energy interconversions. A simple statement of the law is that heat always flows spontaneously from hotter to colder regions of matter (or 'downhill' in terms of the temperature gradient).

  9. ISDN User Part - Wikipedia

    en.wikipedia.org/wiki/ISDN_User_Part

    v. t. e. The ISDN (Integrated Services Digital Network) User Part or ISUP is part of Signaling System No. 7 (SS7), which is used to set up telephone calls in the public switched telephone network (PSTN). It is specified by the ITU-T as part of the Q.76x series. [1]