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(1) MIT: New insights on fusion power

David Chandler, MIT News Office
December 3, 2008

Research carried out at MIT's Alcator C-Mod fusion reactor may have brought the promise of fusion as a future power source a bit closer to reality, though scientists caution that a practical fusion powerplant is still decades away.

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(2)Disappearing superconductivity reappears -- in 2-D

Scientists studying a material that appeared to lose its ability to carry current with no resistance say new measurements reveal that the material is indeed a superconductor -- but only in two dimensions. Equally surprising, this new form of 2-D superconductivity emerges at a higher temperature than ordinary 3-D superconductivity in other compositions of the same material.

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November 29, 2008

Quantum States of Atoms and Molecules - Digital Book

Quantum States of Atoms and Molecules

Chemistry online Resources

Link - Read the Book,  its Free 

"Quantum States of Atoms and Molecules is an introduction to quantum mechanics as it relates to spectroscopy, the electronic structure of atoms and molecules, and molecular properties. A digital, living textbook, it provides opportunities not found in conventional textbooks—opportunities that allow students to develop skills in information processing, critical thinking or analytical reasoning, and problem solving that are so important for success.

In contrast to many quantum chemistry books, the relevant properties of atoms and molecules become part of the discussion immediately, and concepts are introduced at a concrete level and then generalized, and put in mathematical form at a later stage in the presentation. The goal is to establish the fundamental principles of quantum chemistry and their consequences in a rigorous way while not delaying the discussion of molecular properties until the end. This approach is based on the experience that a concrete verbal description paves the way for a more fundamental, mathematical approach.

The design goals of Quantum States are:

* Make the concepts and methodologies of quantum chemistry accessible and meaningful to all students.
* Develop an understanding of atomic and molecular properties in terms of quantum chemistry.
* Establish the fundamental principles of quantum chemistry and their consequences in a rigorous way while not delaying a discussion of molecular properties until the end.
* Encourage the development of information processing, critical-thinking, and problem-solving skills.
* Set the challenge for each assignment at a level that encourages the growth of critical-thinking and problem-solving skills, yet that can be achieved reasonably, though not always easily, by a student learning team facilitated by a master learner, the instructor.

Quantum States is suitable for a one-semester undergraduate or graduate course and can be part of a two-semester sequence in physical chemistry. It was developed with partial support from the National Science Foundation through grant NSF DUE #0127291.

A set of corresponding questions for student assessment is also available in the QBank collection of the JCE Digital Library"[1].


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