A little boy lies bleeding on the floor, accidentally caught in the crossfire between rival factions in Zawiyah, Libya. His tiny body is contorted in agony, his eyes glazed over as he passes out of consciousness. He is the very picture of suffering – quite literally, because for us, he exists as a photograph.
Physics was never my favourite subject. The two traumatic years I spent studying it for GCSEs were a haze of misunderstood equations and botched experiments. But in the midst of all the stress, there was one voice of reason – my physics teacher. His refrain of ‘it’s just common sense’ had the power to suddenly illuminate the simplicity behind the initially unfathomable.
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