Science, Nature and Tech

Rock, Paper, Scissors… Robot???

rock paper scissors robot

The game rock-paper-scissors is well known around the world. We’ve all used it as a choosing method, or simply as a game! The easiest version is played between two people. Both players choose one of the three shapes for one of their hands, and reveal their choice at the same time, hoping their choice beats their opponent.
It’s nearly impossible to gain an advantage over your opponent, unless you wait long enough to identify their choice before you make yours, but the chances are that they will realise your cunning plan and call you a cheater!
This game is not simply a choosing game. There are mathematicians dedicated to constructing algorithms for the best strategy to win, and scientists devoted to creating unbeatable robots! In fact, researchers at the University of Tokyo have created a rock paper scissors robot that wins at rock-paper-scissors 100% of the time.

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Science, Nature and Tech

Water and Engineering – Water, Wonderful Life

water and engineering

Dr Lesley Beeton is a scientist, who studies what the DNA code tells us about human life and health. She has always loved science, and believes that science doesn’t just happen in laboratories. It happens all around us. Science keeps aeroplanes flying, electricity flowing, and the internet speedy.
Dr Beeton  grew up in South Africa. Some of you may have traveled there for your holidays, to see the game reserves or Table Mountain. But even if you haven’t been there, we can all still learn something from the experiences of southern Africa.

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Home, Health & Style

Tomboys and Girly Girls

The mother of eight year old Isabella wrote about buying toys without glitter, and searching for ‘girl’ clothes in colours other than pink, which got us thinking about the term ‘tomboy’.
What do you call a girl who isn’t a girly-girl? Some people would say, ‘a tomboy’, but does that imply that the girl isn’t a real girl, and do we need a label for this anyway?
Perhaps we should let toys be toys, as this campaign demands, and sell clothes without ‘boy’ or ‘girl’ labels. What do you think?

 

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News & Politics, Popular

The US Election – An Explainer for Kids

US Election

The voting system in the US election often confuses people. What is an Electoral College, and what is the difference between the ‘popular vote’ and the ‘electoral college vote’? Who are the people who work in Congress, and what is the difference between the Senate and the House of Representatives? We take a closer look and answer these and other questions, in a kid-friendly way.

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Science, Nature and Tech

Fact or Fable? Most body heat is lost through the head

Many people believe that you should keep your head covered during cold weather, as most body heat is lost through the head. It’s certainly true that any part of your body that’s exposed to cooler air will lose warmth; heat always moves from something warm to something cooler (that’s called the second law of thermodynamics). And our heads and faces are more sensitive to changes in temperature than other parts of the body.

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