World Cleanup Day 2020
10 times the volume of an olympic swimming pool of plastic waste ends up in the world ocean every hour. E v e r y h o u r. Today … Continue reading World Cleanup Day 2020
a homeschooling blog about Simon, a young mathematician and programmer, and his little sister Neva. Visit https://simontiger.com
10 times the volume of an olympic swimming pool of plastic waste ends up in the world ocean every hour. E v e r y h o u r. Today … Continue reading World Cleanup Day 2020
We were having a beautiful evening back home in Antwerp, at the harbor. At one point Simon started jotting some calculations on the reverse side of the menu sheet (he … Continue reading Why does everyone get tides wrong!?