Gravity is one of the four fundamental interactions in nature — the three others being electromagnetism, the strong nuclear interactions, and the weak nuclear interactions — and it pervades space like an invisible field until infinity. Albert Einstein taught us that the gravitational field is spacetime itself, and that gravity is experienced as a result of large masses bending […]
Tag: Photosynthesis
Scientific inquiry can be a lesson in humility. Astronomer Nicolaus Copernicus taught us this in the sixteenth century when submitting the hypothesis that the Sun is sitting at the centre of the Solar System, not the Earth. Although we are limited by our own cognitive abilities, such humility can nevertheless open doors towards a broader […]