The Economist2d
Fighting the war in Ukraine on the electromagnetic spectrum
F OR SOLDIERS at the front, electromagnetic defences are as vital as air: invisible when present, and disastrous when not. In ...
Where does black fall on the color spectrum? A color scientist explains
Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its ...
Schools Week27d
EBacc reform and avoiding distortions: What to do about KS4
At Astrea, we value a thorough education in religious studies. A new national curriculum and KS4 qualification would be well-placed in a reformed EBacc. The subject is important in its own right. It ...