Converging technologies are seen as a breeding ground for far-reaching innovations. However, they are blurring the boundaries between the physical, biological and digital worlds. Conventional ...

The centre of the lens is called the optical centre C. In a ray diagram, a converging lens is drawn as a vertical line with outward facing arrows to indicate the shape of the lens. Point the lens ...

Multiple converging crises, including climate change, growing conflicts and rising health pandemics are undermining efforts to eradicate poverty and reduce inequalities around the world.