Fibre Optics

[@phoetopia]

excellent video! ive been looking for some good physics videos for a while, finally found some! thankyou so much :)

[@veerpatel6719]

Does the content (the words and paragraphs) come from the AQA textbook or did you write it all?

[@SamMagana]

You are amazing!!!!!!!!!!!

[@khanabdulaziz4750]

Take a breath.. u talk way to fast. But great explanation i understood it really well! thank you

[@Gakax]

good video