Work and Energy

The Doppler Effect is a crucial concept for the MCAT, particularly in the Chemistry & Physics section. We'll explore how the Doppler effect occurs when a wave source moves relative to an observer, affecting the observed frequency and wavelength. Using practical examples like an a ...  Show more

In this episode, we cover the topic of viruses. We explore a comprehensive range of subtopics including the definition and structure of viruses, their life cycles, and the differences between transduction and transfection. We also discuss virus classification, viral mutations, an ...  Show more

Professor Jim Skea, from the Faculty of Natural Sciences, Centre for Environmental Policy at Imperial College London, joins Jack Stewart in the studio and brings his insight from the Paris climate talks. Paul Younger, the Rankine Chair of Engineering and Professor of Energy Engin ...  Show more

In today’s episode, you will learn a series of vocabulary words that are connected to a specific topic. This lesson will help you improve your ability to speak English fluently about a specific topic. It will also help you feel more confident in your English abilities.

Retrofitting buildings to the Passivhaus standard can make them far healthier and more comfortable, while consuming far less energy than conventional buildings. 

Renewable energy and sustainable technologies are pivotal in shaping a sustainable future. This article delves into the societal impacts of these technologies, utilizing passive voice to describe processes inherent in their development and deployment. Grammar Point Covered The pa ...  Show more