Sand Building

Health centres: building on sand?

Building knowledge requires bricks, not sand: The critical role of familiar constituents in learning.

Despite vast efforts to better understand human learning, some principles have been overlooked; specifically, that less familiar stimuli are more difficult to combine to create new knowledge and that this is because less familiar stimuli consume more working memory resources. Participants previously unfamiliar with Chinese characters were trained to discriminate visually similar characters duri...

How Moral Foundations Theory Succeeded in Building on Sand: A Response to Suhler and Churchland

Suppose you are an architect and you have recently completed a challenging project: designing and building a sturdy modern house on a sandy stretch of ground where several previous architects had failed. The shifting ground had cracked their one-piece rigid concrete foundations. You vowed not to repeat their mistakes, so you designed a novel foundational system that avoided the use of concrete ...

Comparative assessment of natural radioactivity and radiological hazards in building tiles and sharp sand sourced locally and those imported from China and India

Background: Thirteen (13) types of building tiles and Sharp sand commonly used for building purposes were collected for their radionuclide contents analysis. Both imported and locally produced building tiles were examined.  Materials and Methods: The samples of tiles and sand were crushed to powder and they were prepared such that their content could be examined by the use of gamma-ray spectrom...

Booming Sand Dunes

Booming” sand dunes have a remarkable capacity to produce sounds that are comparable with those from a stringed instrument. This phenomenon, in which sound is generated after an avalanching of sand along the slip face of a dune, has been known for centuries and occurs in at least 40 sites around the world. A spectral analysis of the sound shows a dominant frequency between 70 and 110 Hz, as wel...