Secret Lab 2: Light

Professor Knowitall explores light with Dr Spark and Dr Bright

12m 23s

Factual series (2012). Series 2. Explaining all the mysteries of the world of science in BSL! In this episode, Professor Knowitall and his assistants, Dr Spark and Dr Bright, tell us all about light. How long does it take the sun’s light to travel to Earth? Which is faster, light or sound? Dr Spark once again gets in the teleporter and blows up some watermelons to give us the definitive answer! Later, she’s sent to a laser pointer to show whether light rays are curved or not. Finally, Dr Knowitall explores what happens when light is filtered through different colours. Produced by Drip Media and Remark! Production for BSLBT.

This is Episode 3 of 4; you can watch Episode 1 (Aviation) here, Episode 2 (Electromagnetics) here, and Episode 4 (Sound) here.



We will use your email address to contact you about our programmes and news. For more information, please see our privacy policy.