Find out some of the mathematics behind neural networks.
This is the area of the advanced stemNRICH site devoted to the core applied mathematics underlying the sciences.
Explore the Lorentz force law for charges moving in different ways.
Work in groups to try to create the best approximations to these physical quantities.
See how the motion of the simple pendulum is not-so-simple after all.
Can you work out the natural time scale for the universe?
Look at the units in the expression for the energy levels of the electrons in a hydrogen atom according to the Bohr model.
Problems which make you think about the kinetic ideas underlying the ideal gas laws.
Explore the rates of growth of the sorts of simple polynomials often used in mathematical modelling.
A look at the fluid mechanics questions that are raised by the Stonehenge 'bluestones'.
Look at the calculus behind the simple act of a car going over a step.
How does the half-life of a drug affect the build up of medication in the body over time?
Find out why water is one of the most amazing compounds in the universe and why it is essential for life. - UNDER DEVELOPMENT
Dip your toe into the world of quantum mechanics by looking at the Schrodinger equation for hydrogen atoms
A ball whooshes down a slide and hits another ball which flies off the slide horizontally as a projectile. How far does it go?
A simplified account of special relativity and the twins paradox.
Gravity on the Moon is about 1/6th that on the Earth. A pole-vaulter 2 metres tall can clear a 5 metres pole on the Earth. How high a pole could he clear on the Moon?
Get some practice using big and small numbers in chemistry.
How fast would you have to throw a ball upwards so that it would never land?
This is the technology section of stemNRICH - Core.
Investigate why the Lennard-Jones potential gives a good approximate explanation for the behaviour of atoms at close ranges
Have you got the Mach knack? Discover the mathematics behind exceeding the sound barrier.
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.
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.
Where will the spaceman go when he falls through these strange planetary systems?
Investigate some of the issues raised by Geiger and Marsden's famous scattering experiment in which they fired alpha particles at a sheet of gold.
Investigate the effects of the half-lifes of the isotopes of cobalt on the mass of a mystery lump of the element.
How high will a ball taking a million seconds to fall travel?
engNRICH is the area of the stemNRICH Advanced site devoted to the mathematics underlying the study of engineering
Explore how can changing the axes for a plot of an equation can lead to different shaped graphs emerging
Can you arrange a set of charged particles so that none of them start to move when released from rest?
When a mixture of gases burn, will the volume change?
PhysNRICH is the area of the StemNRICH site devoted to the mathematics underlying the study of physics
An introduction to a useful tool to check the validity of an equation.
Explore the energy of this incredibly energetic particle which struck Earth on October 15th 1991
Things are roughened up and friction is now added to the approximate simple pendulum
Can you match up the entries from this table of units?
Show that even a very powerful spaceship would eventually run out of overtaking power
Which line graph, equations and physical processes go together?
Explore the power of aeroplanes, spaceships and horses.
Some explanations of basic terms and some phenomena discovered by ancient astronomers
Ever wondered what it would be like to vaporise a diamond? Find out inside...
A think about the physics of a motorbike riding upside down
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. . . .
A look at different crystal lattice structures, and how they relate to structural properties
Find out how to model a battery mathematically
Derive an equation which describes satellite dynamics.
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?