Have we pushed the Earth beyond habitable conditions? Twenty four years ago, Govindasamy Bala was a young physicist at the Lawrence Livermore National Laboratory in the USA. He and his colleague, Ken Caldeira, were carrying out research using a comprehensive climate model. For the first time, they wanted to test an improbable and controversial […]
After centuries of sky-watching, we are yet to understand the complex nature of clouds It’s an early winter dawn. The lake seems to be steaming, but it is not. A cloud is being born. I am on a hilltop, watching a village in the valley sparkling in the early morning rays when a white sheet […]
Geotechnical engineers, who investigate soils and their properties, play an important and sometimes overlooked role in civil engineering A vacation on a Spanish beach in the 1960s sparked a revolution in the construction industry. French engineer Henri Vidal was piling up sand to build a sand castle when he realised that no matter how […]
