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What are Ethical Dilemmas?


 

A bee on a flower
In this edition we will have a look at ethical dilemmas. What are they? What are some different opinions in making an ethical choice? There are several schools of thought in finding a solution to an ethical dilemma. The consequentialist school maintains that actions are either moral or immoral depending on the outcome (the consequence) of the action. An action is morally right, if it results in an increase in the overall happiness for the people. The deontological school states that the outcome of an action is irrelevant. It is the action itself that is moral or immoral. Lying, according to this school, is always wrong, regardless of the outcome. There are arguments for and against each one of these schools of thought.

In this edition we will have a look at ethical dilemmas. What are they? What are some different opinions in making an ethical choice? Listen to find out! Continue reading »

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What is the Mpemba Effect?


 

A pathway
In this edition I would like to explain why hot water freezes faster than cold water, when put into the freezer. It is a very counter-intuitive observation, it’s a paradox. This is called the Mpemba Effect. The effect is named according to Tanzanian high-school student Erasto B. Mpemba who re-discovered the effect while making ice-cream, back in 1963. The Mpemba Effect is a nice example how the change of one variable, the temperature, can have unexpected side effects. Most people assume that the difference between a hot glass of water and a cold glass of water is only the temperature. But this is not the case. Just by heating the water we are introducing a range of other variables that have an unexpected effect on the outcome.

In this edition of TOK-Talk I would like to explain why hot water freezes faster than cold water, when put into the freezer. How is this possible? Listen to find out! Continue reading »

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Experience without theory is blind, but theory without experience is mere intellectual play.

- Immanuel Kant -