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In this programme, Dr Helen Czerski investigates the extraordinary science behind t...he sounds we're familiar with and the sounds that we normally can't hear. She begins by exploring the simplest of ideas: what is a sound? At the Palace of Westminster, Helen teams up with scientists from the University of Leicester to carry out state-of-the-art measurements using lasers to reveal how the most famous bell in the world - "Big Ben" - vibrates to create pressure waves in the air at particular frequen
European AncestryNew genetic investigation of ancient human remains, combined with ...archaeological evidence, is shedding new light on the origins of the early European populations. The international team has provided a detailed analysis of waves of immigration from the near east into Europe, and the emerging agricultural practices that came with it, which has come to dominate the traditional practices of indigenous residents.CERN - Artificial retinaThe human eye and the parts of the brain that pr
On our journey from cradle to grave, we mark the most important moments of our live...s with rituals and ceremonies around birth, marriage and death. These life events, and often the emotions around them, are universal. Yet across the globe we perform them in extremely different ways. With the birth of a child, parents will do anything to protect them. In Japan a 400 year-old ceremony called Naki Sumo sees mothers hand over their babies to professional sumo wrestlers, who then compete to make them
Key concepts introduced in the course are reviewed. 1. The effect of a simple objec...t on transmitted illumination. 2. Images of transmitted beams on a screen. 3. Holographic images using light. 4. Holographic images using sound.
