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1 day ago · In physics, the special theory of relativity, or special relativity for short, is a scientific theory of the relationship between space and time. In Albert Einstein 's 1905 treatment, the theory is presented as being based on just two postulates: [p 1] [1] [2] The laws of physics are invariant (identical) in all inertial frames of reference ...
1 day ago · Attention or focus, is the concentration of awareness on some phenomenon to the exclusion of other stimuli. [1] It is the selective concentration on discrete information, either subjectively or objectively. William James (1890) wrote that "Attention is the taking possession by the mind, in clear and vivid form, of one out of what seem several ...
1 day ago · Ontology. Ontology is the philosophical study of being. As one of the most fundamental concepts, being encompasses all of reality and every entity within it. To articulate the basic structure of being, ontology examines what all entities have in common and how they are divided into fundamental classes, known as categories.
1 day ago · A comedy mask chooses a victim and distorts their voice, almost like having a real time Roblox voice changer! The speaker is given a word and the rest of the group must figure out what the word. There are special rounds such as a speed round and math round s too! By guessing correctly and by surviving rounds with your group you earn Credits ...
1 hour ago · The Javan tiger is thought to have gone extinct by the 1980s. †Bali tiger formerly P. t. balica (Schwarz, 1912) This tiger occurred on Bali and had brighter fur and a smaller skull than the Javan tiger. A typical feature of Bali tiger skulls is the narrow occipital bone, which is similar to the Javan tiger's skull.
1 hour ago · EEG has been used for meditation research.. The psychological and physiological effects of meditation have been studied. In recent years, studies of meditation have increasingly involved the use of modern instruments, such as fMRI and EEG, which are able to observe brain physiology and neural activity in living subjects, either during the act of meditation itself or before and after meditation.
1 day ago · The Strategic Defense Initiative ( SDI ), was a proposed missile defense system intended to protect the United States from attack by ballistic nuclear missiles. The program was announced in 1983, by President Ronald Reagan. [1] Reagan called for a system that would render nuclear weapons obsolete, and to end the doctrine of mutual assured ...
