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Showing 10 results from a total of 116

| Issue 27

Purple fumes: the importance of iodine

Iodine, with its characteristic purple vapours, has myriad applications – from the familiar disinfectant to innovative solar cells.

Ages: 14-16, 16-19;
Topics: Physics, Chemistry, Health
             

| Issue 26

Cracking the mystery of how our planet formed

Studying the chemical composition of some of the planet’s oldest rocks has revolutionised our understanding of how our continents formed.

Ages: 11-14, 14-16, 16-19;
Topics: Physics, Chemistry, Earth science
             

| Issue 25

Weighing up the evidence: what is a kilo?

​We all know what a kilogram is – or do we? Researchers worldwide are working to define precisely what this familiar unit is.

Ages: 11-14, 14-16, 16-19;
Topics: Physics, Chemistry
       

| Issue 25

The changing face of orthodontics

Many of us have had our teeth straightened with braces. Few people know, however, that orthodontics involves a great deal of fundamental science and fast-moving technology.

Ages: 16-19;
Topics: Biology, Health
       

| Issue 25

The numbers game: extending the periodic table

Until a few centuries ago, people believed that the world was made only of earth, air, water and fire. Since then, scientists have discovered 118 elements and the search is on for element 119.

Ages: 14-16, 16-19;
Topics: Physics, Chemistry
               

| Issue 24

Indigo: recreating Pharaoh’s dye

What links your jeans, sea snails, woad plants and the Egyptian royal family? It’s the dye, indigo. Learn about its fascinating history and how you can extract it at school.

Ages: 14-16, 16-19;
Topics: Chemistry, General science
                 

| Issue 24

Seeing the light: monitoring fusion experiments

​Finding out what is going on in the core of a fusion experiment at 100 million degrees Celsius is no easy matter, but there are clever ways to work it out.

Ages: 14-16, 16-19;
Topics: Physics, General science, Chemistry, Engineering