As the government quietly upgrades the role of Britain’s special forces, their growing global footprint and near-total exemption from democratic oversight should alarm us all, says ROGER McKENZIE
SOLAR CELLS became a serious industry around 2000, when an exponential expansion in their installation began. Since then, they have gone on to make up a whopping — or rather, minuscule — 2 per cent of the global energy market.
They are, however, scheduled for continued extreme growth over the coming years, with the most dramatic predictions forecasting that their share of the energy market could increase to 50 per cent by 2050.
If it were possible to satisfy the entire world’s energy needs with solar power, (this is thought impossible because of the ways some energy must be used and stored) an area approximately the size of Spain would need to be totally covered in solar panels.
BRENT CUTLER welcomes a valuable contribution to discussions around the need to de-carbonise energy production
Neutrinos are so abundant that 400 trillion pass through your body every second. ROX MIDDLETON, LIAM SHAW and MIRIAM GAUNTLETT explain how scientists are seeking to know more about them



