Fact Book

14867. Science Facts
A stinging tree in Australia can cause intense pain and even death.Tiny hairs full of poison break off the leaves and stick to the skin, which can then heal over the injury, trapping the poison inside. Even standing near the tree can cause painful nosebleeds!

14868. Science Facts
A medieval cure for meningitis involved splitting a pigeon in two and laying the two halves, cut side down, on the patient's head.

14869. Science Facts
An old cure for a headache involved tying the rope used to hang a criminal around your temples.

14870. Science Facts
A common cure for all kinds of illnesses in the past was ‘bleeding' the patient. This could be done by the doctor making a small cut and putting a hot cup over the wound to suck out blood, or by putting blood-sucking leeches on the skin. Using leeches is being reintroduced by some western doctors.

14871. Science Facts
In England in the 1500s, horse urine was rubbed into the scalp as a cure for baldness.

14872. Science Facts
To catch the leeches for medical use, volunteers stand in rivers until the leeches attach themselves to their skin.

14873. Science Facts
A treatment for the skin disease psoriasis available in Turkey involves sitting in a bath full of live fish, which eat away all the flaking skin.

14874. Science Facts
In the late 1800s, the Egyptian railways were fuelled by burning ancient mummies because they were more plentiful than coal and wood.

14875. Science Facts
The Venus flytrap is a plant with fleshy traps that look rather like a clam, edged with spikes. If an insect lands on the trap, the halves snap shut, trapping it, and then juices from the plant dissolve the insect for the plant to absorb.

14876. Science Facts
To investigate what owls eat, scientists take apart owl pellets (owl faeces) and piece together the bones and fur from different creatures the owl has eaten.

14877. Science Facts
One of the best ways of cleaning an infected wound, used before the days of antibiotics and now with infections that antibiotics can't treat, is to put maggots into it to eat the rotting flesh.

14878. Scientific Instruments & Appliances
Scientific Instruments & Appliances
altimeter
is a special type of aneroid barometer, used in measuring altitudes.

14879. Scientific Instruments & Appliances
Scientific Instruments & Appliances
ammeter
is an instrument to measure the strength of an electric current.

14880. Scientific Instruments & Appliances
Scientific Instruments & Appliances
anemometer
is an instrument to measure the velocity and find the direction of the wind.

14881. Scientific Instruments & Appliances
Scientific Instruments & Appliances
audiometer
is an instrument to measure difference in hearing.

14882. Scientific Instruments & Appliances
Scientific Instruments & Appliances
barometer
is used for measuring atmospheric pressure.

14883. Scientific Instruments & Appliances
Scientific Instruments & Appliances
binocular
is an optical instrument designed for magnified view of distant objects by both eyes simultaneously.

14884. Scientific Instruments & Appliances
Scientific Instruments & Appliances
calorimeter
is an instrument for measuring quantities of heat.

14885. Scientific Instruments & Appliances
Scientific Instruments & Appliances
chronometer
is a clock to determine longitude of a vessel of sea.

14886. Scientific Instruments & Appliances
Scientific Instruments & Appliances
clinical thermometer
is a thermometer for measuring the temperature of human body.

14887. Scientific Instruments & Appliances
Scientific Instruments & Appliances
calorimeter
is an instrument for comparing intensities of colour.

14888. Scientific Instruments & Appliances
Scientific Instruments & Appliances
commutator
is an instrument to change of reverse the direction of an electric current. in dynamo used to convert the alternating current into direct current.

14889. Scientific Instruments & Appliances
Scientific Instruments & Appliances
computer
is a technical device designed to find instantaneous solutions of huge and complex calculation based on the information already fed.

14890. Scientific Instruments & Appliances
Scientific Instruments & Appliances
dynamo
is a device for converting mechanical energy into electrical energy.

14891. Scientific Instruments & Appliances
Scientific Instruments & Appliances
electroscope
is an instrument for detecting the presence of electric charge.

14892. Scientific Instruments & Appliances
Scientific Instruments & Appliances
galvanometer
is an instrument for measuring electric current.

14893. Scientific Instruments & Appliances
Scientific Instruments & Appliances
hydrometer
is an instrument for measuring the relative density of liquids.

14894. Scientific Instruments & Appliances
Scientific Instruments & Appliances
hydrophone
is an instrument for measuring sound under water.

14895. Scientific Instruments & Appliances
Scientific Instruments & Appliances
hygrometer
is an instrument for measuring the relative humidity of the atmosphere.

14896. Scientific Instruments & Appliances
Scientific Instruments & Appliances
hygroscope
is an instrument to show the changes in atmospheric humidity.

14897. Scientific Instruments & Appliances
Scientific Instruments & Appliances
lactometer
is an instrument for measuring the relative density of milk.

14898. Scientific Instruments & Appliances
Scientific Instruments & Appliances
micrometer
is an instrument used for accurately measuring small distances or angles.

14899. Scientific Instruments & Appliances
Scientific Instruments & Appliances
manometer
is instrument to measure the pressure of gases.

14900. Scientific Instruments & Appliances
Scientific Instruments & Appliances
magnetometer
is an instrument used to compare the magnetic moments and fields.

14901. Scientific Instruments & Appliances
Scientific Instruments & Appliances
mariner's compass
is an apparatus for determining direction, graduated to indicate 33 directions. the "n" point on the dial indicates north pole and the "s" point, south pole.

14902. Scientific Instruments & Appliances
Scientific Instruments & Appliances
microscope
is an instrument for magnified view of very small objects.

14903. Scientific Instruments & Appliances
Scientific Instruments & Appliances
periscope
is an apparatus for viewing objects lying above the eye level of the observer and whose direct vision is obstructed.

14904. Scientific Instruments & Appliances
Scientific Instruments & Appliances
photometer
is an instrument for comparing the luminous intensity of the sources of light.

14905. Scientific Instruments & Appliances
Scientific Instruments & Appliances
planimeter
is a mechanical integrating instrument to measure area of a plane surface.

14906. Scientific Instruments & Appliances
Scientific Instruments & Appliances
pyknometer
is an instrument used to measure the density and co-efficient of expansion of liquid.

14907. Scientific Instruments & Appliances
Scientific Instruments & Appliances
pyrheliometer
is an instrument for measuring solar radiations.

14908. Scientific Instruments & Appliances
Scientific Instruments & Appliances
pyrometers
are thermometers to measure high temperatures.

14909. Scientific Instruments & Appliances
Scientific Instruments & Appliances
quadrant
is an instrument for measuring altitudes and angles in navigation and astronomy.

14910. Scientific Instruments & Appliances
Scientific Instruments & Appliances
quartz clock
is a highly accurate clock used in astronomical observations and other precision work.

14911. Scientific Instruments & Appliances
Scientific Instruments & Appliances
radio micrometer
is an instrument for measuring heat radiations.

14912. Scientific Instruments & Appliances
Scientific Instruments & Appliances
rain gauge
is an instrument for measuring rainfall.

14913. Scientific Instruments & Appliances
Scientific Instruments & Appliances
refractometer
is an instrument used to measure the refractive index of a substance.

14914. Scientific Instruments & Appliances
Scientific Instruments & Appliances
resistance thermometer
is used for determining the electrical resistance of conductor.

14915. Scientific Instruments & Appliances
Scientific Instruments & Appliances
salinometer
is a type of hydrometer used to determine the concentration of salt solutions by measuring their densities.

14916. Scientific Instruments & Appliances
Scientific Instruments & Appliances
seismograph
is an instrument used for recording the intensity and origin of earthquake shocks.

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