mechanical stirrer
11Heat — In physics, heat, symbolized by Q , is energy transferred from one body or system to another due to a difference in temperature. [cite book|author= Daintith, John |title=Oxford Dictionary of Physics|publisher=Oxford University… …
12Stir bar — A stir bar (or flea) is a magnetic bar used to stir a mixture or solution in a laboratory. The stir bar rotates (and thus stirs) in synch with a separate rotating magnet located beneath the vessel containing the reaction.cite web |url=… …
13Thermometer — A clinical mercury in glass thermometer …
14calorimeter — /kal euh rim i teuhr/, n. an apparatus for measuring quantities of heat. [1785 95; CALORI + METER] * * * Device for measuring heat produced during a mechanical, electrical, or chemical reaction and for calculating the heat capacity of materials.… …
15Halle Berry — Berry in February 2007 Born Maria Halle Berry August 14, 1966 (1966 08 14) (age 45) …
16Rotating magnetic field — A rotating magnetic field is a magnetic field which changes direction at (ideally) a constant angular rate. This is a key principle in the operation of the alternating current motor. In 1882, Nikola Tesla identified the concept of the rotating… …
17Bung — For other uses, see Bung (disambiguation). A jug with a cork bung. A bung is truncated cylindrical or conical closure to seal a container, such as a bottle, tube or barrel. Unlike a lid which encloses a container from the outside with …
18Blender — A blender, or liquidiser in British English, is a kitchen appliance used to mix ingredients or puree food. The term typically refers to a stationary, upright electrical device, which is to be distinguished from a hand powered or electric mixer… …
19Atomic battery — The terms atomic battery, nuclear battery, tritium battery and radioisotope generator are used to describe a device which uses the emissions from a radioactive isotope to generate electricity. Like nuclear reactors they generate electricity from… …
20Comparison microscope — A B Two identical microscopes C C Specimens to compare D Comparison eyepiece (optical bridge) A comparison microscope is a device used to analyze side by side specimens. It consists of two microscopes connected by an optical bridge, which results …
