AMBER
AMBER (an acronym for Assisted Model Building with Energy Refinement) is a family of force fields for molecular dynamics of biomolecules originally developed by Peter Kollman's group at the University of California, San Francisco. AMBER is also the name for the molecular dynamics software package that simulates these force fields. It is maintained by an active collaboration between David Case at Rutgers University, Tom Cheatham at the University of Utah, Tom Darden at NIEHS, Ken Merz at Michigan State University, Carlos Simmerling at Stony Brook University, Ray Luo at UC Irvine, and Junmei Wang at Encysive Pharmaceuticals.
Force field
The term "AMBER force field" generally refers to the functional form used by the family of AMBER force fields. This form includes a number of parameters; each member of the family of AMBER force fields provides values for these parameters and has its own name.
Functional form
The functional form of the AMBER force field is
![+\sum _{\text{torsions}}\sum _{n}{\frac {1}{2}}V_{n}[1+\cos(n\omega -\gamma )]](http://assets.wn.com/wiki/en/6/b3/74ec604269df35001d9b8-d751b7.png)
![+\sum _{j=1}^{N-1}\sum _{i=j+1}^{N}f_{ij}{\biggl \{}\epsilon _{ij}{\biggl [}\left({\frac {r_{0ij}}{r_{ij}}}\right)^{12}-2\left({\frac {r_{0ij}}{r_{ij}}}\right)^{6}{\biggr ]}+{\frac {q_{i}q_{j}}{4\pi \epsilon _{0}r_{ij}}}{\biggr \}}](http://assets.wn.com/wiki/en/2/54/0d42465cf922c07d032a9-8429d2.png)
Note that despite the term force field, this equation defines the potential energy of the system; the force is the derivative of this potential with respect to position.
Waigeo language
Waigeo, also known as Ambel (Amber), is a heavily Papuan-influenced Austronesian language spoken in West Papua on the island of Waigeo, Raja Ampat islands.
References
Amber (processor core)
The Amber processor core is an open-source ARM-compatible 32-bit RISC processor. It is hosted on the OpenCores website and is part of a movement to develop a library of open source hardware intellectual property. The Amber core is fully compatible with the ARMv2 instruction set and is therefore supported by the GNU toolchain. This older version of the ARM instruction set is supported because it is not covered by patents so can be implemented without a license from ARM Holdings, unlike some previous open source projects. The Amber project provides a complete embedded FPGA system incorporating the Amber core and a number of peripherals, including UARTs, timers and an Ethernet MAC.
There are two versions of the core provided in the Amber project. The Amber 23 has a 3-stage pipeline, a unified instruction and data cache, a Wishbone interface, and is capable of 0.75 DMIPS per MHz. The Amber 25 has a 5-stage pipeline, separate data and instruction caches, a Wishbone interface, and is capable of 1.0 DMIPS per MHz. Both cores implement exactly the same ISA and are 100% software compatible.
Podcasts:
Amber
ALBUMS
- Agrā rūsa released: 2010
- Pie laika #2 released: 2009
- Superizlase 7 released: 2006
- 100% svaigs 10 released: 2006
- Mēness balts released: 2003
100% svaigs 10
Released 2006- Ziemeļmeita 2006
- Uzmini nu!
- Es vēlos būt līdzās
- Trīs vārdi
- Sirc
- Kā būtu, ja...
- Piektdiena, 13
- Kaktuss
- Labrīt
- Viss mainījies
- Tā kā sārta ogle
- American Lovebite
- Take Me Home
- Tu pasmaidi un aizlido
- Mīļais
- Kad zibens liesmās
- Pazaudēto carību laiks
- Siļva
- XL un Bacardi
- Maskava asarām netic
- Beidzam Valmierā
Amber
ALBUMS
- Unsterblich released: 2007
Amber
ALBUMS
- Sofia the First released: 2013
Amber
ALBUMS
- Hammock, Volume 2 released: 2005
Amber
ALBUMS
- VH 1 Non Stop Dance released: 1998
- The Unrepeatable Now released: 1994
Amber
ALBUMS
- Kite Day released: 2013
Amber
ALBUMS
- Death Row Records: 20 Years released: 2012
AMBER
ALBUMS
- Amber released: 2012
Amber
ALBUMS
- Drunk Star released:
Amber
ALBUMS
- Dance (RED) Save Lives [Presented By Tiësto] released: 2012
Dance (RED) Save Lives [Presented By Tiësto]
Released 2012- Pride (In the Name of Love)
- Circuits
- Strobelight (radio edit)
- Make Some Noise (Skidka remix radio edit)
- L'Amour (club edit)
- Annie's Theme (instrumental)
- White Noise / Red Meat (radio edit)
- Iced Out (Calvin Harris remix)
- The Night Out (A-Trak remix)
- The End (radio edit)
- Raid
- Titan
- Koko (radio mix)
- Breaking Up (radio edit)
- Flare
- Clockwerk
- Encoded (radio edit)
- Bromance (Avicii's Arena radio edit)
- Never Mind
- Harlem Shake
- Express Yourself
- Get Free
Amber
ALBUMS
- My Kind of World released: 2004
- Naked released: 2002
- The Hits Remixed released: 2000
- Amber released: 1999
- This Is Your Night released: 1997
- Voodoo Remixes released:
Naked
Released 2002- Yes!
- The Need to Be Naked
- Anyway (Men Are From Mars)
- You're Sent From Heaven
- Dirty Thoughts
- He
- Sex Without Sex
- Love on You
- If There Would Be No Tomorrow
- Heavenly Proximity
- Sex & The City
- Don't Say Goodbye
- Sexual (Li Da Di) (Afterlife Chillout remix)
- The Smile of My Child
- The Need to Be Naked (Thunderpuss mix)
The Hits Remixed
Released 2000- Taste the Tears (Thunderpuss original mix)
- Love One Another (Pathos original mix)
- Sexual (Li Da Di) (Deep Dish Cheez Whiz remix)
- Above the Clouds (Eric Kupper remix)
- If You Could Read My Mind (Hex Hector remix)
- One More Night (Hani remix)
- This Is Your Night (Mousset remix)
- Colour of Love (Mousset & Borris Dlugosh remix)
- If You Could Read My Mind (Hex Hector Epic Piano mix)
- This Is Your Night (Junior Vasquez Sunday Night Bump extended mix)
- Above the Cluds (Thunderpuss remix)
- Taste the Tears (Thunderpuss remix)
- Love One Another (Mystica remix)
- Sexual (Li Da Di) (Plasma Trance remix)
Amber
ALBUMS
- 1-4-3 (I Love You) released: 2013
- Pink Tape released: 2013
- Electric Shock released: 2012
- Into the new world: GIRLS' GENERATION THE 1ST ASIA TOUR released: 2010
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by Like The Stars
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Long Walk Home
by: AmberI count my steps in the dark to not be afraid
when walking the streets in the city I hate
Searching for a home
Searching for a safe place at night
Where are the people I love in the city I hate
Its getting colder every step I go further
more quiet in the streets the voices get louder
I start running an endless way
Isn't there anyone running with me
Where are the lights of the streets chasing out the
ghosts of the night
It's getting darker I try to run faster
Run faster, run the ghosts say
Run until you reach the rivers of all floating time
Each will bring you out of this labyrinth of dark
streets
Where you never know which turn is the right to bring
you back to the light
But hurry in these rainy days the rivers get higher
they pull you under they drag you along
Run my dear run faster my dear, Run the ghosts say
Where are the people I love in the city I hate
Isn't there anyone running with me?
It's getting darker - I try to run faster
Where are the lights of the streets chasing out the
ghosts?
There are ghosts in the streets
There are ghosts in the walls
There are ghosts in my head
Running with me
I try to run as fast as I can
These were the days when I couldn't stop running away
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