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  2. 6 Home Depot Products Under $50 That Will Reduce Your ... - AOL

    www.aol.com/finance/6-home-depot-products-under...

    A water heater insulation blanket can make your water heater more efficient. This fiberglass insulation blanket insulates your tank, keeping the heat in. That way, it doesn’t need to run as ...

  3. Bubble nest - Wikipedia

    en.wikipedia.org/wiki/Bubble_nest

    The use of shallow water is also because fertilized eggs need to be aerated in order to hatch successfully. [3] Various stimuli have been shown to affect onset the construction of bubble nests, such as rapid changes in temperature, barometric changes, fluctuations in rainfall, various fish tank materials, and presence of other males or females.

  4. Thermochromism - Wikipedia

    en.wikipedia.org/wiki/Thermochromism

    Thermochromism is the property of substances to change color due to a change in temperature. A mood ring is an example of this property used in a consumer product although thermochromism also has more practical uses, such as baby bottles, which change to a different color when cool enough to drink, or kettles which change color when water is at ...

  5. Heat meter - Wikipedia

    en.wikipedia.org/wiki/Heat_meter

    A heat meter, thermal energy meter or energy meter is a device which measures thermal energy provided by a source or delivered to a sink, by measuring the flow rate of the heat transfer fluid and the change in its temperature between the outflow and return legs of the system.

  6. Thermometer - Wikipedia

    en.wikipedia.org/wiki/Thermometer

    A thermometer has two important elements: (1) a temperature sensor (e.g. the bulb of a mercury-in-glass thermometer or the pyrometric sensor in an infrared thermometer) in which some change occurs with a change in temperature; and (2) some means of converting this change into a numerical value (e.g. the visible scale that is marked on a mercury ...

  7. Water metering - Wikipedia

    en.wikipedia.org/wiki/Water_metering

    A typical residential water meter. Water metering is the practice of measuring water use.Water meters measure the volume of water used by residential and commercial building units that are supplied with water by a public water supply system.

  8. Siamese fighting fish - Wikipedia

    en.wikipedia.org/wiki/Siamese_fighting_fish

    The tropical climate of the betta's natural habitat is characterized by sudden and extreme fluctuations in water availability, chemistry, and temperature. [22] Water pH can range from slightly acidic (pH 6.9) to highly alkaline (pH 8.2), while air temperatures drop as low as 15 °C (59 °F) and rise as high as 40 °C (100 °F). [ 22 ]

  9. Indoor–outdoor thermometer - Wikipedia

    en.wikipedia.org/wiki/Indoor–outdoor_thermometer

    The primary purpose of the indoor-outdoor thermometer is to allow the outside temperature to be indicated inside a building, thus removing the need to go outside to take a temperature reading. They are also used in vehicles, and are particularly useful for municipal vehicles involved in snow and ice clearance. [ 5 ]