Using a series of very technical tests, scientists from the French research facility CEA have determined that the Earth's core is roughly 6,000 degrees Celsius. That is approximately 1,000 degrees hotter than the temperature obtained by tests in the 1990s.
These new figures show that the center of the Earth is just as hot as the surface of the sun.
The experiment that supplied the new temperature used X-rays to probe tiny samples of iron at extraordinary pressures to examine how the iron crystals form and melt. The BBC reported that "To replicate the enormous pressures at the core boundary - more than a million times the pressure at sea level - they used a device called a diamond anvil cell - essentially a tiny sample held between the points of two precision-machined synthetic diamonds.
Once the team's iron samples were subjected to the high pressures and high temperatures using a laser, the scientists used X-ray beams to carry out "diffraction" - bouncing X-rays off of the nuclei of the iron atoms and watching how the pattern changed as the iron changed from solid to liquid."
With Thanksgiving happening, I thought it would be fun to list the things that a teacher of gifted could be grateful for. Here it goes:
1. YOU HAVE A TEACHING JOB
We can be grateful that despite all the cutbacks to the arts, gifted education, and other areas over the years, many schools still employ at least one teacher of the gifted to provide services. It could be worse, I guess.
2. YOU GET TO WORK WITH SOME AMAZING KIDS
As a teacher of the gifted, you get to...
It's been 150 years since President Abraham Lincoln delivered one of the most famous speeches in American history, and while the Gettysburg Address remains a prominent topic in history classrooms, students have never been able to see exactly how those influential words looked on the author's page...until now...
Last week~ I wrote about gifted children have the tendency to become obsessed with a particular area and topic (http://community.educationworld.comcontent/obsessed) and warned teachers not to discourage this traitwhich can be found in highly successful people~ whove made major contributions to society-- but rather help students find healthy ways to develop it.
The remainder of this blog will be dedicated to sharing...
What is innovation? Google the term and it is~ the action or process of innovating a fairly unhelpful definition for those who subscribe to the notion that you cant define a word using a derivative of it. Synonyms include change~ alteration~ upheaval~ transformation~ or breakthrough.
People frequently imagine new technologies~ electronics~ scientific advances~ startups and other types of change when they hear the word innovation. People~ including those who care about...
While there's currently no version of Microsoft Office for iPad, a young software firm, hopTo Inc., is providing iPad users with a convenient workaround.
hopTo allows users to create, open and edit Office documents on the iPad before saving them to the cloud. The current version supports both Word and Excel files, with PowerPoint slated for an upcoming update. ...
In the News:
Rupee, an 11 month old pooch, has done something no dog has done before. He has climbed to the base camp of Mt. Everest with his owner, Joanne Lefson. Called Expedition Mutt Everest 2013, the journey was to create awareness to homeless animals and to promote adoption. Joanne found Rupee abandoned in a city in India. The pair trekked through snow and crossing old bridges and wet paths to reach 17,598 ft. in 13 days. Joanne said that Rupee pulled her...