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.
    
    
    
    
Showing 10 results from a total of 259
                 
                    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.                    
         
                    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.                    
         
                    Why is symmetry so central to the understanding of crystals? And why did ‘forbidden’ symmetry change the definition of crystals themselves?                    
         
                    With oil reserves running out, silicon solar cells offer an alternative source of energy. How do they work and how can we exploit their full potential?                    
         
                    What makes viruses so virulent? Why do we enjoy music? Why is the Alhambra so beautiful? The answer? Mathematics!                    
         
                    Something as everyday as bread can offer a surprising spectrum of interdisciplinary teaching opportunities.                    
         
                    Renewable, clean, unlimited energy – how can it be achieved? Christine Rüth from EFDA introduces the tokamak, the most advanced fusion device.                    
         
                    Hydrogen may be the fuel of the future, but how can we produce it sustainably? Karin Willquist explains.                    
         
                    The topic of polymers is often limited to chemistry lessons. The Establish project offers some hands-on activities to investigate these materials and some of their medical applications.                    
         
                    Did you realise that fireworks cause measurable air pollution? Tim Harrison and Dudley Shallcross from Bristol University, UK, explain how to investigate atmospheric pollutants in class.                    
        
            
                Indigo: recreating Pharaoh’s dye            
        
        
            
                Seeing the light: monitoring fusion experiments            
        
        
            
                The new definition of crystals – or how to win a Nobel Prize            
        
        
            
                Solar energy: silicon solar cells            
        
        
            
                Finding maths where you least expect it: interview with Marcus du Sautoy            
        
        
            
                Bread-making: teaching science in primary school            
        
        
            
                Harnessing the power of the Sun: fusion reactors            
        
        
            
                Hydrogen: the green energy carrier of the future?            
        
        
            
                Polymers in medicine            
        
        
            
                Smoke is in the air: how fireworks affect air quality