Erasto mpemba photographers

When, ahead of that event, the RSC asked the public for explanations of why hot water freezes faster than cold, emails and letters numbering 22, poured in from countries, triggering a vigorous debate conducted via social media and the web. So intense was the response that the RSC assigned a member of staff to manage the submissions, which came in a variety of forms, including a song composed by a competitor in New Zealand working into the early hours, breaking off to make telephone calls to the society's London offices.

The challenge even led to television presenter Jeremy Paxman losing his cool during Newsnight when an experiment with hot and cold water fizzled out because the BBC fridge had not been turned on by studio staff. I recall how fond we were of nicknaming ourselves after some famous European scientists. It was so fascinating to learn about the likes of Amadeo Avogadro , Blaise Pascal , Daniel Bernoulli , and many other white men whose findings are named after them.

So, you would understand why it was quite a sweet revelation many years later when I came to realize there is actually something scientific named after someone from my home country. His name is Erasto Mpemba. At that time there were not many articles written about him and we spent our time debating on social media on whether his findings meant a lot to the scientific community.

Now when you google his name many journal articles pop up on the effect that is named after him. As I write this article, Google scholar yields results when you search "Mpemba Effect. The year was , two years since Tanganyika gained its independence and a year before it had joined with Zanzibar to form the United Republic of Tanzania. Like some of us who encountered a refrigerator later in our childhood, he used one to make ice-cream.

In his case, he used to boil milk mixed with sugar and let it cool before putting it in the freezer of their school's refrigerator. However, one day things did not go as planned. Mpemba believed in determination. Life 31 May Mpemba: The man who froze hot water faster than cold water. Erasto Mpemba was a Tanzanian scientist who discovered that hot liquid freezes faster than liquid which is initially cold.

Earlier this month, the world lost a great scientist, who sparked curiosity and deeper research. How it all started In Erasto Mpemba then a year-old Tanzanian Secondary school student was preparing ice cream for sale as his way of making some extra money. Mpemba's findings was intriguing.

Erasto mpemba photographers

Graph: By Ben Tier. Erasto Mpemba made his discovery in while in secondary school. Photo: TRT Afrika. Mpemba's discovery captured the attention of scientists and general public. Tanzanian game warden and scientist — Tanganyika Territory. Life [ edit ]. Discovery of Mpemba effect [ edit ]. Notes [ edit ]. References [ edit ]. African Forestry and Wildlife Commission.

Mpemba: The man who froze hot water faster than cold water. Retrieved Quanta Magazine. Physics Education.