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Articles 1 - 30 of 50
Full-Text Articles in Physical Sciences and Mathematics
An Ab Initio Study Of The Mono- And Difluorides Of Krypton, Gerald J. Hoffman, Laura A. Swafford '97, Robert J. Cave
An Ab Initio Study Of The Mono- And Difluorides Of Krypton, Gerald J. Hoffman, Laura A. Swafford '97, Robert J. Cave
All HMC Faculty Publications and Research
Results from ab initio calculations at the CCSD(T) level of theory are presented for krypton monofluoride (KrF), krypton monofluoride cation (KrF+), linear, ground-state krypton difluoride (KrF2), the triplet state of krypton difluoride, and the krypton–fluorine van der Waals complex (Kr–F2). These are the first calculations demonstrating that KrF is a bound molecule, in agreement with experimental observation. When corrected for basis-set superposition error, the calculated potential displays quantitative agreement with the attractive wall of the experimentally measured potential curve. Results are also presented for KrF+ and linear KrF2 which yield accurate values for their dissociation energies. The triplet state of …
New Caribbean Locality For The Extinct Great White Shark Carcharodon, Clare Flemming, Donald A. Mcfarlane
New Caribbean Locality For The Extinct Great White Shark Carcharodon, Clare Flemming, Donald A. Mcfarlane
WM Keck Science Faculty Papers
Carcharodon is represented by a single upper tooth (Fig. 1) which we extracted from the eroding Pliocene limestone wall, some six meters above the floor at the northern end of Darby Sink. Much of the tooth is missing, but the remaining portion includes features diagnostic of this genus. The tooth conforms in size and morphology to Carcharodon megalodon (Agassiz, 1843), an extinct great white shark.
A Second Pre-Wisconsinan Locality For The Extinct Jamaican Rodent, Clidomys (Rodentia: Heptaxodontidae), Donald A. Mcfarlane, Joyce Lundberg, Clare Flemming, Ross D. E. Macphee, Stein-Erik Lauritzen
A Second Pre-Wisconsinan Locality For The Extinct Jamaican Rodent, Clidomys (Rodentia: Heptaxodontidae), Donald A. Mcfarlane, Joyce Lundberg, Clare Flemming, Ross D. E. Macphee, Stein-Erik Lauritzen
WM Keck Science Faculty Papers
Clidomys is the most distinctive but least well known member of the late Quaternary terrestrial mammal fauna of Jamaica. Here we report the second dated locality for this genus. The Illinoisan age we report further strengthens arguments we have made elsewhere, that Clidomys represents an early - probably pre-Wisconsinan - extinction that contrasts with the growing record of Holocene extinctions in the Antilles.
Natural Math, Maria Droujkova
Natural Math, Maria Droujkova
Humanistic Mathematics Network Journal
No abstract provided.
Do The Great While It Is Still Small: Humanistic Teaching In The Elementary School, John Eichinger
Do The Great While It Is Still Small: Humanistic Teaching In The Elementary School, John Eichinger
Humanistic Mathematics Network Journal
No abstract provided.
The Legend Of The Apple, Raul A. Simon
The Legend Of The Apple, Raul A. Simon
Humanistic Mathematics Network Journal
No abstract provided.
Mathematics Found In Poetry, Alexis Mann
Mathematics Found In Poetry, Alexis Mann
Humanistic Mathematics Network Journal
No abstract provided.
Plastic Pebbles, Virginie H. Mitchem
Plastic Pebbles, Virginie H. Mitchem
Humanistic Mathematics Network Journal
No abstract provided.
What Does Equality Mean?--The Basque View, Marcia Ascher
What Does Equality Mean?--The Basque View, Marcia Ascher
Humanistic Mathematics Network Journal
No abstract provided.
On Solving Equations, Negative Numbers, And Other Absurdities: Part Ii, Ralph A. Raimi
On Solving Equations, Negative Numbers, And Other Absurdities: Part Ii, Ralph A. Raimi
Humanistic Mathematics Network Journal
No abstract provided.
Architecture And Mathematics: An Introduction For Elementary And Middle School Children, Kim Williams
Architecture And Mathematics: An Introduction For Elementary And Middle School Children, Kim Williams
Humanistic Mathematics Network Journal
No abstract provided.
Nine And One Third Circles Of Rejoicing, Michael Capobianco
Nine And One Third Circles Of Rejoicing, Michael Capobianco
Humanistic Mathematics Network Journal
No abstract provided.
Manifesto On Mathematical Education, Saunders Mac Lane
Manifesto On Mathematical Education, Saunders Mac Lane
Humanistic Mathematics Network Journal
No abstract provided.
From My Dance Is Mathematics: Poems From A Mathematics Teacher, Joanne S. Growney
From My Dance Is Mathematics: Poems From A Mathematics Teacher, Joanne S. Growney
Humanistic Mathematics Network Journal
No abstract provided.
An Ab Initio Study Of Specific Solvent Effects On The Electronic Coupling Element In Electron Transfer Reactions, Thomas M. Henderson '98, Robert J. Cave
An Ab Initio Study Of Specific Solvent Effects On The Electronic Coupling Element In Electron Transfer Reactions, Thomas M. Henderson '98, Robert J. Cave
All HMC Faculty Publications and Research
Specific solvent effects on the electronic coupling element for electron transfer are examined using two model donor–acceptor systems (Zn2+ and Li2+) and several model “solvent” species (He, Ne, H2O, and NH3). The effects are evaluated relative to the given donor–acceptor pair without solvent present. The electronic coupling element (Hab) is found to depend strongly on the identity of the intervening solvent, with He atoms decreasing Hab, whereas H2O and NH3 significantly increase Hab. The distance dependence (essentially exponential decay) is weakly affected by a single intervening solvent atom–molecule. However, when the donor–acceptor distance increases in concert with addition of successively …
Ultrafast Phenomena: A Laboratory Experiment For Undergraduates, Thomas D. Donnelly, Carl Grossman
Ultrafast Phenomena: A Laboratory Experiment For Undergraduates, Thomas D. Donnelly, Carl Grossman
All HMC Faculty Publications and Research
We present a set of experiments that introduce students to ultrafast science. We discuss the relationship between the description of an ultrashort laser pulse in the frequency domain and the time domain. Using experimental results we demonstrate that this relationship is constrained by the lower limit of the Heisenberg uncertainty principle. Students carrying out the experiments will become familiar with ultrafast techniques, such as autocorrelation and laser cavity design, as well as various other concepts such as dispersion, Fourier transformation, interference, and nonlinear optics.
Robert Davis: In Memoriam, Carolyn A. Maher, Robert Speiser
Robert Davis: In Memoriam, Carolyn A. Maher, Robert Speiser
Humanistic Mathematics Network Journal
No abstract provided.
Math Poem, Beth Corridori
Math Poem, Beth Corridori
Humanistic Mathematics Network Journal
No abstract provided.
The Poem Of Math, Michelle Wang
The Poem Of Math, Michelle Wang
Humanistic Mathematics Network Journal
No abstract provided.
Randal Bishop Plunges Into 4-D Space: A Comment On Randal Bishop’S Paper Titled “The Use Of Realistic Imagery To Represent The Relationships In A Four-Dimensional Coordinate System”, Carlos Ernesto S. Lindgren
Randal Bishop Plunges Into 4-D Space: A Comment On Randal Bishop’S Paper Titled “The Use Of Realistic Imagery To Represent The Relationships In A Four-Dimensional Coordinate System”, Carlos Ernesto S. Lindgren
Humanistic Mathematics Network Journal
No abstract provided.
Thinking About The Preparation Of Teachers Of Elementary School Mathematics, Jane Wenstrom, Kathleen Martin, Susan King
Thinking About The Preparation Of Teachers Of Elementary School Mathematics, Jane Wenstrom, Kathleen Martin, Susan King
Humanistic Mathematics Network Journal
No abstract provided.
Geometry In Nature, Rachel Finkelstein
Geometry In Nature, Rachel Finkelstein
Humanistic Mathematics Network Journal
No abstract provided.
Triangle, Ian Ross
Real Data, Real Math, All Classes, No Kidding, Martin Vern Bonsangue
Real Data, Real Math, All Classes, No Kidding, Martin Vern Bonsangue
Humanistic Mathematics Network Journal
No abstract provided.
The Use Of Realistic Imagery To Represent The Relationships In A Four-Dimensional Coordinate System, Randal J. Bishop
The Use Of Realistic Imagery To Represent The Relationships In A Four-Dimensional Coordinate System, Randal J. Bishop
Humanistic Mathematics Network Journal
No abstract provided.
Problems That Matter: Teaching Mathematics As Critical Engagement, Jeffrey Bohl
Problems That Matter: Teaching Mathematics As Critical Engagement, Jeffrey Bohl
Humanistic Mathematics Network Journal
No abstract provided.
Book Review: The Courage To Teach By Parker Palmer, Sandra Z. Keith
Book Review: The Courage To Teach By Parker Palmer, Sandra Z. Keith
Humanistic Mathematics Network Journal
No abstract provided.
On Solving Equations, Negative Numbers, And Other Absurdities: Part I, Ralph A. Raimi
On Solving Equations, Negative Numbers, And Other Absurdities: Part I, Ralph A. Raimi
Humanistic Mathematics Network Journal
No abstract provided.
The Poetics Of E=Mc2, Richard A. Schwartz
The Poetics Of E=Mc2, Richard A. Schwartz
Humanistic Mathematics Network Journal
No abstract provided.
I Love To Add, Kyle Cotler
I Love To Add, Kyle Cotler
Humanistic Mathematics Network Journal
No abstract provided.