Poetry or science?

Is romantic love just a chemical cocktail?

news.bbc.co.uk

Tech fair offers greener vision

Analysts at the Consumer Electronics Show say green credentials of tech products will become critical to success.

news.bbc.co.uk

Body repair 'could be ramped up'

A combination of drugs could trick the body into sending its repair mechanisms into overdrive, say scientists.

news.bbc.co.uk

A deep-sea fish caught in the Pacific has mirrors for eyes

A deep-sea fish caught in the Pacific has eyes which use mirrors as well as lenses, scientists discover.

news.bbc.co.uk

Heat may spark world food crisis

Half the world's population could face food crisis by 2100 as soaring temperatures cripple staple crops, scientists warn.

news.bbc.co.uk

Everest trip helps critically ill

Blood oxygen levels recorded on a trip by medics to Everest could help the treatment of critically ill patients.

news.bbc.co.uk

Mummy of female pharaoh uncovered

Egyptologists find remains of a mummy thought to belong to a queen who ruled 4,300 years ago, Egypt's antiquities chief announced.

news.bbc.co.uk

Holes give edge to new armour

Scientists from the UK Ministry of Defence (MoD) have devised ultra-hard vehicle armour to protect military personnel.

news.bbc.co.uk

Mosquitoes make sweet love music

Sexy songs sung by mosquitoes in courtship could be key to curbing the spread of dengue fever, say scientists.

news.bbc.co.uk

Venomous mammal caught on camera

Rare footage of one of the world's most strange and elusive mammals is captured by scientists.

news.bbc.co.uk

Panda bites his third tourist in two years at Beijing zoo

A panda at Beijing zoo bites a man for the third time in two years.

news.bbc.co.uk

Earth Watch

Why it is hard to predict sudden environmental crises

news.bbc.co.uk

Black holes 'preceded galaxies'

Astronomers believe they have solved a cosmic chicken-and-egg question: what came first - black holes or galaxies?

news.bbc.co.uk

Beagle hunter

On a mission to find the most famous ship of science

news.bbc.co.uk

China alert over bird flu death

Chinese authorities shut down and clean poultry markets in Hebei province, after the first human death in nearly a year.

news.bbc.co.uk

Eat it or lose it - why centuries of crop diversity are at risk

Centuries of crop diversity are at risk of being lost forever as farmers turn to just a few modern, high yielding varieties.

news.bbc.co.uk

First flight of algae-fuelled jet

Continental Airlines is the latest to test fly a jet biofuel, this time with a product derived partially from algae.

news.bbc.co.uk

Zimbabwe troops 'eat elephants'

A Zimbabwean wildlife campaigner tells the BBC that soldiers are being given elephant meat to eat, as the economic crisis deepens.

news.bbc.co.uk

US vows 'huge' marine protection

The US is to establish "the largest area of protected sea in the world", banning fishing and mining, around its Pacific islands.

news.bbc.co.uk

Baby Jupiter's huge weight gain

The planet Jupiter must have gained mass fast during its infancy, according to astronomers.

news.bbc.co.uk

Canadians claim South Pole record

A trio of Canadians claim a new record for the fastest trek across Antarctica to the South Pole.

news.bbc.co.uk

Feilden's blog

Ground-breaking new technique in stem cell science

news.bbc.co.uk

'Wolfman' returns

Explorer Jim McNeill tracks down Arctic wolves

news.bbc.co.uk

Our writers talk back

Some of the previous contributors to the Green Room respond to readers' questions and comments.

news.bbc.co.uk

Animal matters

Scotland's debate over tests on primates

news.bbc.co.uk

 Science > Classical Mechanics

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Science > Classical Mechanics

Classical Mechanics:

Amusement Park Physics

How do physics laws affect amusement park ride design? Design your own roller coaster and experiment with bumper car collisions.

http://www.learner.org/interactives/parkphysics/index.html

Graand

Free Classified Ads Portal

www.graand.com

Block and Tackle

Colorful illustrated tutorial shows how a block and tackle (as well as levers and gears) works.

http://www.howstuffworks.com/pulley.htm

Central Forces with Java

A JAVA applet to simulate orbits in four different central forces: gravity, Yukawa, 1/R^4 and Black Holes

http://www.astro.queensu.ca/~musgrave/cforce/

Chaotic Systems

A brief overview of chaos theory and applications in classical mechanics.

http://dept.physics.upenn.edu/courses/gladney/mathphys/subsection3_2_5.html

Classical Mechanics

Articles with practical advice and solutions for lots of topical problems.

http://physics.about.com/cs/mechanics/

Classical Mechanics on Wikipedia

Free online encyclopedia with description of the theory and history of classical mechanics.

http://en.wikipedia.org/wiki/Classical_mechanics

Derivation of basic gyroscope formula

Web page contains intuitive and clear, simple and intuitive derivation of Gyroscope Effect’s formula.

http://www.andrijar.com/gyroscope/gyroscope.htm

Freshman Problems in Mechanics

Links to various problem sets relating to 1 and 2 dimensional kinematics. Easy mechanics problems and solutions.

http://zebu.uoregon.edu/~dmason/probs/mech.html

Gravity

If you want to learn about gravity come here.

http://www.angelfire.com/geek/alphabeta/

Gyroscope

Graphics, related links and a video combine to show you how gyroscopes work.

http://www.howstuffworks.com/gyroscope.htm

How a Helium Balloon Works

Explanation of lifting capabilities of helium, hydrogen and hot air balloons, from How Stuff Works.

http://www.howstuffworks.com/helium.htm

An introduction to physics - Mechanics

An introduction to classical mechanics. Suitable for students who are beginning the subject.

http://www.mcasco.com/p1intro.html

Kepler's Laws

Article in the Platonic Realms. Gives a novice's overview of Kepler's laws.

http://www.mathacademy.com/pr/prime/articles/kepler/index.asp

Kepler's Laws

Summary of Kepler's three laws.

http://www.go.ednet.ns.ca/~larry/orbits/kepler.html

The Lagrange Points

Overview of the Lagrange points of the sun-earth-system. Links to a detailed derivation.

http://www.physics.montana.edu/faculty/cornish/lagrange.html

On a general Method of expressing the Paths of Light,and of the Planets, by the Coefficients of a Characteristic Function

An original paper by William Rowan Hamilton, dated 1833.

http://www.maths.tcd.ie/pub/HistMath/People/Hamilton/LightPlanets/LightPlanets.html

Oscillations

Gives a solution on a symmetric, linear, triatomic molecule problem.

http://electron6.phys.utk.edu/phys594/archives/mechanics/Oscillations/oscillations1.htm

Physics for Beginners

This site covers motion and forces for individuals with no prior knowledge of the subject.

http://physics.webplasma.com/physicstoc.html

Physics of Sound

Rigorous derivation of sound wave equations from a molecular model of an ideal diatomic gas. General solution of the wave equations. Point source radiating in a moving medium.

http://www.physicsofsound.com/

Primitive Potentials and Newton's Laws from Symmetry

Symmetry of function. Finding of primitive without integration-summation. Newton's laws of any order. Mechanics of third order.

http://www.geocities.com/knyshus/

Rigid Bodies

Separation of motion of centre of mass and rotation about a fixed axis.

http://www.physics.georgetown.edu/~jkf/class_mech/rigidbody.ps

Simulations with Java

Provides several interactive physics simulations such as springs and masses, pendulums, molecules. Objects, mass, gravity, spring stiffness can be modified.

http://www.myphysicslab.com

Virtual Escalator

A physics safety educational tool.

http://www.virtualescalator.com

Wave Equation

Mathematical description and derivation of wave equations.

http://www.geocities.com/aboutwaves/