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  2. Hypothalamic–pituitary–thyroid axis - Wikipedia

    en.wikipedia.org/wiki/Hypothalamic–pituitary...

    The hypothalamic–pituitary–thyroid axis ( HPT axis for short, a.k.a. thyroid homeostasis or thyrotropic feedback control) is part of the neuroendocrine system responsible for the regulation of metabolism and also responds to stress. As its name suggests, it depends upon the hypothalamus, the pituitary gland, and the thyroid gland .

  3. Fluorescent-lamp formats - Wikipedia

    en.wikipedia.org/wiki/Fluorescent-lamp_formats

    G5 bi-pin. 2GX13 quad-pin. G10q quad-pin. Original 4–13 W miniature fluorescent range from 1950s or earlier. [ 1] Two newer ranges, high-efficiency (HE) 14–35 W, and high-output (HO) 24–80 W, introduced in the 1990s. [ 2] Panasonic's range of FHL fluorescent tubes in 18W, 27W, and 36W varieties for the Japanese market.

  4. Thermostat - Wikipedia

    en.wikipedia.org/wiki/Thermostat

    A thermostat is a regulating device component which senses the temperature of a physical system and performs actions so that the system's temperature is maintained near a desired setpoint . Thermostats are used in any device or system that heats or cools to a setpoint temperature.

  5. Thyroid hormones - Wikipedia

    en.wikipedia.org/wiki/Thyroid_hormones

    Thyroid hormones are any hormones produced and released by the thyroid gland, namely triiodothyronine ( T3) and thyroxine ( T4 ). They are tyrosine -based hormones that are primarily responsible for regulation of metabolism. T 3 and T 4 are partially composed of iodine, derived from food. [ 2] A deficiency of iodine leads to decreased ...

  6. Ultra-high-definition television - Wikipedia

    en.wikipedia.org/wiki/Ultra-high-definition...

    Viasat is also launching an Ultra HD set-top box from Samsung and a TV-module that enables existing UHD TVs to display the channel. [185] Satellite operator, SES said that the launch of Viasat Ultra HD brings the number of UHD channels (including test channels and regional versions) carried on SES satellites to 24, or 46% of all UHD channels ...

  7. Touchscreen - Wikipedia

    en.wikipedia.org/wiki/Touchscreen

    A user operating a touchscreen Smart thermostat with touchscreen. A touchscreen (or touch screen) is a type of display that can detect touch input from a user. It consists of both an input device (a touch panel) and an output device (a visual display).

  8. Color temperature - Wikipedia

    en.wikipedia.org/wiki/Color_temperature

    Color temperature is a parameter describing the color of a visible light source by comparing it to the color of light emitted by an idealized opaque, non-reflective body. The temperature of the ideal emitter that matches the color most closely is defined as the color temperature of the original visible light source.

  9. Polish miner found alive after more than 48 hours trapped ...

    www.aol.com/news/polish-miner-found-alive-more...

    A Polish coal miner trapped underground since Thursday was found alive by rescuers on Saturday, local media reported. The Rydultowy mine in southern Poland, operated by state-controlled group PGG ...