A simplified account of special relativity and the twins paradox.
Find out some of the mathematics behind neural networks.
Can you work out the natural time scale for the universe?
Look at the calculus behind the simple act of a car going over a step.
chemNRICH is the area of the stemNRICH site devoted to the mathematics underlying the study of chemistry, designed to help develop the mathematics required to get the most from your study. . . .
PhysNRICH is the area of the StemNRICH site devoted to the mathematics underlying the study of physics
engNRICH is the area of the stemNRICH Advanced site devoted to the mathematics underlying the study of engineering
When you change the units, do the numbers get bigger or smaller?
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
See how the motion of the simple pendulum is not-so-simple after all.
A look at different crystal lattice structures, and how they relate to structural properties
Problems which make you think about the kinetic ideas underlying the ideal gas laws.
Explore the Lorentz force law for charges moving in different ways.
Look at the units in the expression for the energy levels of the electrons in a hydrogen atom according to the Bohr model.
Have you got the Mach knack? Discover the mathematics behind exceeding the sound barrier.
An introduction to a useful tool to check the validity of an equation.
Read all about electromagnetism in our interactive article.
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
This is the area of the advanced stemNRICH site devoted to the core applied mathematics underlying the sciences.
Dip your toe into the world of quantum mechanics by looking at the Schrodinger equation for hydrogen atoms
Things are roughened up and friction is now added to the approximate simple pendulum
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
Explore the power of aeroplanes, spaceships and horses.
Explore the rates of growth of the sorts of simple polynomials often used in mathematical modelling.
How does the half-life of a drug affect the build up of medication in the body over time?
Can you arrange a set of charged particles so that none of them start to move when released from rest?
Which line graph, equations and physical processes go together?
Which units would you choose best to fit these situations?
What is an AC voltage? How much power does an AC power source supply?
A look at a fluid mechanics technique called the Steady Flow Momentum Equation.
Show that even a very powerful spaceship would eventually run out of overtaking power
Follow in the steps of Newton and find the path that the earth follows around the sun.
Use your skill and knowledge to place various scientific lengths in order of size. Can you judge the length of objects with sizes ranging from 1 Angstrom to 1 million km with no wrong attempts?
Investigate the effects of the half-lifes of the isotopes of cobalt on the mass of a mystery lump of the element.
Where will the spaceman go when he falls through these strange planetary systems?
A look at the fluid mechanics questions that are raised by the Stonehenge 'bluestones'.
Can you match up the entries from this table of units?
How high will a ball taking a million seconds to fall travel?
How fast would you have to throw a ball upwards so that it would never land?
Derive an equation which describes satellite dynamics.
Work in groups to try to create the best approximations to these physical quantities.
Some explanations of basic terms and some phenomena discovered by ancient astronomers
An article demonstrating mathematically how various physical modelling assumptions affect the solution to the seemingly simple problem of the projectile.
Ever wondered what it would be like to vaporise a diamond? Find out inside...
Use trigonometry to determine whether solar eclipses on earth can be perfect.
A think about the physics of a motorbike riding upside down
Find out how to model a battery mathematically
An article about the kind of maths a first year undergraduate in physics, engineering and other physical sciences courses might encounter. The aim is to highlight the link between particular maths. . . .
Explore how can changing the axes for a plot of an equation can lead to different shaped graphs emerging
Work out the numerical values for these physical quantities.