Welcome to Science4All

My name is Lê and I believe that the greatest challenge in education is to make science and math appealing.
This is why I aim at bringing enthusiasm and excitement to the readers’ learning experience.
Science4All is also available in French.

Check my articles
Proof by Mathematical Induction Proof by Mathematical Induction
By Lê Nguyên Hoang | Updated:2015-12 | Views: 5455
This article explores the potency of proofs by induction with 4 different stunning puzzles, from a lock puzzle and a lion issue, to the monk problem and the pencil conundrum!