Where will the spaceman go when he falls through these strange planetary systems?

Things are roughened up and friction is now added to the approximate simple pendulum

Show that even a very powerful spaceship would eventually run out of overtaking power

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?

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?

How fast would you have to throw a ball upwards so that it would never land?

Explore displacement/time and velocity/time graphs with this mouse motion sensor.

A ball whooshes down a slide and hits another ball which flies off the slide horizontally as a projectile. How far does it go?

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.

In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.

Find out why water is one of the most amazing compounds in the universe and why it is essential for life. - UNDER DEVELOPMENT

This is the technology section of stemNRICH - Core.

Make an accurate diagram of the solar system and explore the concept of a grand conjunction.

Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?

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. . . .

Use trigonometry to determine whether solar eclipses on earth can be perfect.

A look at different crystal lattice structures, and how they relate to structural properties

Look at the calculus behind the simple act of a car going over a step.

A think about the physics of a motorbike riding upside down

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.

Ever wondered what it would be like to vaporise a diamond? Find out inside...

An article demonstrating mathematically how various physical modelling assumptions affect the solution to the seemingly simple problem of the projectile.

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?

A look at a fluid mechanics technique called the Steady Flow Momentum Equation.

Derive an equation which describes satellite dynamics.

Look at the units in the expression for the energy levels of the electrons in a hydrogen atom according to the Bohr model.

Explore how can changing the axes for a plot of an equation can lead to different shaped graphs emerging

Dip your toe into the world of quantum mechanics by looking at the Schrodinger equation for hydrogen atoms

Explore the Lorentz force law for charges moving in different ways.

Can you arrange a set of charged particles so that none of them start to move when released from rest?

Investigate the effects of the half-lifes of the isotopes of cobalt on the mass of a mystery lump of the element.

Explore the energy of this incredibly energetic particle which struck Earth on October 15th 1991

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.

Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.

Investigate why the Lennard-Jones potential gives a good approximate explanation for the behaviour of atoms at close ranges

Estimate these curious quantities sufficiently accurately that you can rank them in order of size

Work out the numerical values for these physical quantities.

Which line graph, equations and physical processes go together?

engNRICH is the area of the stemNRICH Advanced site devoted to the mathematics underlying the study of engineering

PhysNRICH is the area of the StemNRICH site devoted to the mathematics underlying the study of physics