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.
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
A look at the fluid mechanics questions that are raised by the Stonehenge 'bluestones'.
An introduction to a useful tool to check the validity of an equation.
A look at a fluid mechanics technique called the Steady Flow Momentum Equation.
Look at the units in the expression for the energy levels of the electrons in a hydrogen atom according to the Bohr model.
Explore the Lorentz force law for charges moving in different ways.
See how the motion of the simple pendulum is not-so-simple after all.
How high will a ball taking a million seconds to fall travel?
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?
Look at the calculus behind the simple act of a car going over a step.
Find out how to model a battery mathematically
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
An article demonstrating mathematically how various physical modelling assumptions affect the solution to the seemingly simple problem of the projectile.
Find out why water is one of the most amazing compounds in the universe and why it is essential for life. - UNDER DEVELOPMENT
Read all about electromagnetism in our interactive article.
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?
Where will the spaceman go when he falls through these strange planetary systems?
Problems which make you think about the kinetic ideas underlying the ideal gas laws.
How does the half-life of a drug affect the build up of medication in the body over time?
Explore the rates of growth of the sorts of simple polynomials often used in mathematical modelling.
Can you work out the natural time scale for the universe?
Follow in the steps of Newton and find the path that the earth follows around the sun.
A ball whooshes down a slide and hits another ball which flies off the slide horizontally as a projectile. How far does it go?
This is the technology section of stemNRICH - Core.
Get some practice using big and small numbers in chemistry.
Explore the power of aeroplanes, spaceships and horses.
Work in groups to try to create the best approximations to these physical quantities.
A look at different crystal lattice structures, and how they relate to structural properties
Some explanations of basic terms and some phenomena discovered by ancient astronomers
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 the energy of this incredibly energetic particle which struck Earth on October 15th 1991
Derive an equation which describes satellite dynamics.
A think about the physics of a motorbike riding upside down
Which units would you choose best to fit these situations?
When a mixture of gases burn, will the volume change?
Have you got the Mach knack? Discover the mathematics behind exceeding the sound barrier.
What is an AC voltage? How much power does an AC power source supply?
Ever wondered what it would be like to vaporise a diamond? Find out inside...
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
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.
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?
How fast would you have to throw a ball upwards so that it would never land?
Work out the numerical values for these physical quantities.
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. . . .