Search results
Results from the WOW.Com Content Network
The litter is a class of wheelless vehicles, a type of human-powered transport, for the transport of people. Smaller litters may take the form of open chairs or beds carried by two or more carriers, some being enclosed for protection from the elements.
A scientific control is an experiment or observation designed to minimize the effects of variables other than the independent variable (i.e. confounding variables). [1] This increases the reliability of the results, often through a comparison between control measurements and the other measurements.
Besides the 2019 Chang'e 4 and SLIM missions, the only artificial objects on the Moon that are still in use are the retroreflectors for the Lunar Laser Ranging experiments left there by the Apollo 11, 14, and 15 astronauts, Chandrayaan-3 lunar lander, and by the Soviet Union's Lunokhod 1 and Lunokhod 2 missions. [2]
Main page; Contents; Current events; Random article; About Wikipedia; Contact us
A Berlese funnel or Berlese trap is a device used to extract desiccation-intolerant invertebrates from samples of soil or leaf litter. It works by creating a desiccation gradient over the sample such that mobile organisms will move away from the dry environment and fall into a collecting vessel, where they are preserved for examination.
The Lunar Ejecta and Meteorites Experiment (LEAM) was a lunar science experiment that flew to the Moon on board Apollo 17 in 1972. It collected information on dust particles produced as a result of meteoroid impacts on the surface of the Moon.
Littering in Monterrey, Mexico.. Litter consists of waste products that have been discarded incorrectly, without consent, at an unsuitable location. The waste is objects, often man-made, such as aluminum cans, paper cups, food wrappers, cardboard boxes or plastic bottles, but also large and hazardous items of rubbish such as tires, electrical appliances, electronics, batteries and large ...
Experiments might be categorized according to a number of dimensions, depending upon professional norms and standards in different fields of study. In some disciplines (e.g., psychology or political science), a 'true experiment' is a method of social research in which there are two kinds of variables.