Category: Knowledge
-
Back to analog… Looking at the forest again…
Analog computers were used to predict tides from the early to mid-20th century, guide weapons on battleships and launch NASA's first rockets into space. They first used gears and vacuum tubes, and later, transistors, that could be configured to solve problems with a range of variables. They perform mathematical functions directly. For instance, to add 5…
-
Editing consciousness. Controlling thoughts. Speaking in the mirror…
People who are grieving a major loss, such as the death of a spouse or a child, use different coping mechanisms to carry on with their lives. Psychologists have been able to track different approaches, which can reflect different clinical outcomes. One approach that is not usually successful is avoidant grief, a state in which…
-
Unsocial brain…
Columbia scientists have identified a brain region that helps tell an animal when to attack an intruder and when to accept it into its home. This brain area, called CA2, is part of the hippocampus, a larger brain structure known to be critical for our memory of people, places, things and events. CA2 was already…
-
Reading more… Becoming blind…
From concerns over blue light to digital strain and dryness, headlines today often worry how smartphones and computer screens might be affecting the health of our eyes. But while the technology may be new, this concern certainly isn’t. Since Victorian times people have been concerned about how new innovations might damage eyesight. In the 1800s,…
-
I learn. You learn. We learn. (nothing)
"I learn," "you learn," "she learns," "they learn," yet, according to a surprising new linguistic study, in countries where the dominant language allows personal pronouns such as 'I' to be omitted, learning suffers. (1) A more or less logical conclusion. Learning is about you increasing your knowledge. While being, on the other hand, is about…
You must be logged in to post a comment.