"The idea for creating dynamic online teaching maps came up after one of our teacher friends expressed her frustration over how difficult it was to find just the right learning map for particular topic."
We learned last year that many of the effects of climate change are irreversible. Sea levels have been rising at a greater rate year after year, and the Intergovernmental Panel on Climate Change estimates they could rise by another meter or more by the end of this century.
"Approximately 7.1 million Americans moved to another state in 2012. That’s over 2.2% of the U.S. population. The United States has a long history of people picking up and moving their families to other parts of the country, in search of better livelihoods. That same spirit of mobility, a willingness to uproot oneself, seems alive and well today based on the visualization of migration patterns above.
The visualization is a circle cut up into arcs, the light-colored pieces along the edge of the circle, each one representing a state. The arcs are connected to each other by links, and each link represents the flow of people between two states."
Studies have shown that typing notes requires shallower levels of cognitive processing than handwriting, as subjects often tend to type verbatim what they hear without really engaging with its substance to the level that is required for greater understanding and better recollection.
In contrast, handwriting appears to be more cognitively demanding. According to these studies, subjects who use handwriting are generally forced to rephrase what hear into their own words, thus creating “more effective memory cues by recreating the context (e.g., thought processes, emotions, conclusions) as well as content (e.g., individual facts) from the original learning session”. The evidence against typing your notes is pretty compelling.
Tablets introduce another level of complexity to this problem, since they can be used both to type and handwrite notes. So what are we to do? Are we to avoid using the tablets and stick to pen and paper? If we do use tablets for note taking, are we to force students to handwrite notes on their tablets using a stylus? And are we to ban students from typing up notes on their tablets? After all, that is what the research appears to suggests."
The world’s tallest mountain is a little shorter after the newly-named Gorka earthquake that hit Nepal in late April, 2015.
The Nepal earthquake that hit just before noon on Saturday, April 26, 2015 officially has a name: it’s the Gorkha earthquake. The sudden slip of the tectonic plates during the earthquake literally reshaped the land. In a continent-continent collision like this one, the area closest to the fault rupture is uplifted, while the previously-buckled plate interior slaps flat, subsiding in the release of stress. The European Space Agency’s Sentinel-1A satellite tracked both uplift [blue] and subsidence [yellow], recording elevation changes of up to 1 meter, and a horizontal north-south shift of up to 2 meters.
They’ve used the same data to createinterferograms of how the region has changed in consecutive measurements before and after the earthquake. Each coloured fringe represents about 10 centimeters of displacement. Overall, Kathmandu is little taller and Mount Everest is a tiny bit shorterthan it was a month ago. Poor weather not only made things a little bit more miserable on the ground, but also limited the utility of fly-overs from NASA’s satellite network.
In related news, as part of efforts to increase access to hazard mitigation and risk reduction research, the Seismological Society of America has temporarily opened access to their collection of articles on tectonics, structure, and earthquake history of the Himalayas.
Check out more ways satellite imagery has been used in the response to the Gorkha earthquake on the American Geophysical Union’s Trembling Earth.
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