Results 11 to 20 of about 1,405,172 (246)
The notion that mental arithmetic is associated with shifts of spatial attention along a spatially organised mental number representation has received empirical support from three lines of research.
Maria Glaser, André Knops
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The enigma of optical momentum in a medium [PDF]
It is 100 years since Minkowski and Abraham first gave rival expressions for the momentum of light in a material medium. At the single-photon level, these correspond, respectively, either to multiplying or dividing the free-space value () by the ...
Loudon, Rodney, Barnett, Stephen M.
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Modeling of Alomina Drying Process in Spray Dryer [PDF]
Spray dryers are one of the most important dryers and have many applications in the food, drug and chemical industries. In this investigation, a model is suggested to predict the product temperature, drying time and the dryer height In order to evaluate ...
Amin Ahmadpour
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Finger Tracking Reveals the Covert Stages of Mental Arithmetic [PDF]
We introduce a novel method capable of dissecting the succession of processing stages underlying mental arithmetic, thus revealing how two numbers are transformed into a third.
Pedro Pinheiro-Chagas +3 more
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Spatial Biases During Mental Arithmetic: Evidence from Eye Movements on a Blank Screen
While the influence of spatial-numerical associations in number categorization tasks has been well established, their role in mental arithmetic is less clear.
Matthias eHartmann +3 more
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Large-uncertainty intelligent states for angular momentum and angle [PDF]
The equality in the uncertainty principle for linear momentum and position is obtained for states which also minimize the uncertainty product. However, in the uncertainty relation for angular momentum and angular position both sides of the inequality are
Stephen M Barnett +8 more
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A Role for Attentional Reorienting During Approximate Multiplication and Division
When asked to estimate the outcome of arithmetic problems, participants overestimate for addition problems and underestimate for subtraction problems, both in symbolic and non-symbolic format. This bias is referred to as operational momentum effect (OM).
Curren Katz +2 more
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Repeating Numbers Reduces Results: Violations of the Identity Axiom in Mental Arithmetic
Even simple mental arithmetic is fraught with cognitive biases. For example, adding repeated numbers (so-called tie problems, e.g., 2 + 2) not only has a speed and accuracy advantage over adding different numbers (e.g., 1 + 3) but may also lead to under ...
Martin H. Fischer, Samuel Shaki
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Optimisation of a quantum pair space thruster [PDF]
The paper addresses the problem of propulsion for long term space missions. Traditionally a space propulsion unit has a propellant mass which is ejected trough a nozzle to generate thrust; this is also the case with inert gases energized by an on-board ...
Valeriu DRAGAN
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Global health post-2015: the case for universal health equity [PDF]
Set in 2000, with a completion date of 2015, the deadline for the Millennium Development Goals is approaching, at which time a new global development infrastructure will become operational. Unsurprisingly, the discussions on goals, topics, priorities and
Lucia D'Ambruoso
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