Nevado del Ruiz is a volcano that lies on the Pacific Ring of Fire. This video will tell you about the 1985 eruption that happened on the 13th of November.

The presenter is 12-year-old Tristan Pang who is studying university level maths. He has taught himself all the high school maths curriculum before the age of 5. He learnt vertically, topic by topic without taking any notice of the year levels.The objective of his website is to share his way of learning. In his videos, he won't tell you the year level of each episode. And by the last episode of each topic, you will know you have already reached the year 13 level.

If you are interested to view other video episodes by Tristan or knowing more about Tristan's Learning Hub, please click on the link below: [ Ссылка ]

You may also be interested to see his other website: [ Ссылка ]

This is Tristan's recent radio interview with Andrew Patterson at RadioLIVE(2014) where he talked a bit about how he learns: [ Ссылка ]

This is his speech at TEDx youth Auckland which he did last year (2013): [ Ссылка ]

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