Tides in Free-fall

Why do we have two tides each day? It was always a race against time.  Frantically digging on the beach to build up the sand wall that we were making ; convinced that this time we would create a barrier high enough and strong enough to withstand the incoming tide. Of course we never did … Continue reading Tides in Free-fall

Sultans of Science

Reflections on Eye Rays As a young child I used to puzzle about how the world worked. It seemed to me that objects fell to earth very quickly – I remember wondering whether this was instantaneous or not – though my vocabulary would have been more basic! I also thought about how I could see … Continue reading Sultans of Science