• History,  Science

    The Pressure Cooker

    Pressure cooking is the process of cooking food at high pressure, employing water or a water-based cooking liquid, in a sealed vessel known as a pressure cooker. High pressure limits boiling and permits cooking temperatures well above 100 °C (212 °F) to be reached. Pressure cookers work by expelling air from the vessel, and trapping the steam produced from the boiling liquid inside. This raises the internal pressures and permits high cooking temperatures. This, together with high thermal heat transfer from the steam, cooks food far more quickly, often cooking in between half and a quarter the time for conventional boiling. After cooking the steam is released so that the…

  • Nature

    The Beaver

    Beavers are well-adapted for semi-aquatic life, with thick waterproof fur, a flattened tail that acts as a rudder, and closable nostrils and ears, as well as a transparent eye membrane. There are only two species of beaver. The American beaver (Castor canadensis) typically weighs 60 lbs. (27 kilograms) and are 23 to 39 inches (60 to 100 centimeters) long. The tail adds another 7.75 to 12 inches (20 to 30.5 cm) to its length, according to National Geographic. Eurasian beavers (Castor fiber) are around the same size. They usually weigh from 29 to 77 lbs. (13 to 35 kg) and are 29 to 53 in (73 to 135 cm) in…

  • Education

    How to Clean Bones

    You may have stumbled across animal bones on the side of the road or in your backyard, and you wish to display them or add them to a collection. While animal bones can be a very interesting and, in my opinion fun, to collect it is very important to make sure they are cleaned properly in order to make sure they are smell-free and safe to handle. Always remember to wear gloves, take universal precautions, and observe your state laws involving picking up roadkill and owning certain animal parts. Steps to cleaning bones: Cut away as much meat as you can and scrub away the rest with a toothbrush or…

  • Education,  General

    The Monitor Gas Sad Iron

    Sad irons were heavy hand-held flatiron that was heated on a stove then brought over to the iron board by a detachable wooden handle. D.A. Lake invented the Monitor Sad Iron in c. 1901, on January 23,1902 John C. Lake applied for his patent and was granted on April 14, 1903. Monitor Sad Iron Company is also known for putting Big Prairie, Holmes county, Ohio on the map. The sad iron factory was hand built including the original equipment by the Lake family. The factory was powered through an overhead pully drive line. The Sad iron design is comprised of a shoe or ironing surface which was highly polished. The…