That's it. This year's GCSE exams are now over. All that remains is for the papers to be marked and the grades announced. And for me to say thank you to my (final) Y11 class, who got together and bought me a farewell gift, as shown below. Hofmann's apparatus. A hugely appreciated gift to me … Continue reading Thank You
Magnificent moles
You may well ask, what is the point of an SI unit that measures “amount”? Surely if we want to know an amount then we simply count whatever it is that we need to quantify. That’s fine until we get to VERY large numbers. How large? We’re talking here about numbers that are massively bigger … Continue reading Magnificent moles
