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  2. Microwave - Wikipedia

    en.wikipedia.org/wiki/Microwave

    A microwave oven passes microwave radiation at a frequency near 2.45 GHz (12 cm) through food, causing dielectric heating primarily by absorption of the energy in water. Microwave ovens became common kitchen appliances in Western countries in the late 1970s, following the development of less expensive cavity magnetrons. Water in the liquid ...

  3. Toshiba - Wikipedia

    en.wikipedia.org/wiki/Toshiba

    Toshiba is responsible for a number of Japanese firsts, including radar (1912) [citation needed], the TAC digital computer (1954), transistor television, color CRTs [22] and microwave oven (1959), color video phone (1971), Japanese word processor (1978), MRI system (1982), personal computer Pasopia (1981), laptop personal computer (1986), NAND ...

  4. Timeline of astronomy - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_astronomy

    He uses it to study and draw the structure of nebulas, and within a few months discovers the spiral structure of the Whirlpool Galaxy. French physicists Jean Foucault and Armand Fizeau take the first detailed photographs of the Sun's surface through a telescope - the birth of scientific astrophotography. Within five years, astronomers produce ...

  5. List of How It's Made episodes - Wikipedia

    en.wikipedia.org/wiki/List_of_How_It's_Made_episodes

    How It's Made is a documentary television series that premiered on January 6, 2001, on the Discovery Channel in Canada and Science in the United States. The program is produced in the Canadian province of Quebec by Productions MAJ, Inc. and Productions MAJ 2.

  6. Allegany State Park - Wikipedia

    en.wikipedia.org/wiki/Allegany_State_Park

    National Fuel leases rights to maintain and operate over 20 wells it uses to store and regulate the natural gas it stores in the massive underground sandstone deposit. The storage pool is connected to the "K" line, which is a 16-inch (0.41 m) diameter gas pipeline that runs from Buffalo, New York to Eldred, Pennsylvania .

  7. Internet access - Wikipedia

    en.wikipedia.org/wiki/Internet_access

    Data rates are asymmetric and generally range from 256 kbit/s to 2.7 Mbit/s. [78] Because these systems use parts of the radio spectrum allocated to other over-the-air communication services, interference between the services is a limiting factor in the introduction of power-line Internet systems.