How does a CT scanner work?
These 3D X-rays can create detailed pictures of the inside of your body At the end of the 19th century, Wilhelm Röntgen discovered X-rays and changed medicine forever. As X-rays pass through the body,...
How It Works Feed your mind with fascinating facts about the world around you
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Win a pair of Digitsoles worth £130!
This month we’re giving away a pair of Digitsoles to THREE lucky winners! Track and analyse your cycling activity with these smart insoles. Pick up the latest edition of How It Works to find...
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Issue 123 preview: Power of the Sun
Can we recreate the heartbeat of the Sun on Earth? Also inside: Inside a robot warehouse, animal antidotes, the robotic future of the armed forces and so much more!! Find your nearest copy here 🌎 Pick...
Prehistoric giants of the sky
Credit: Johnson-Mortimer The huge aerial predators that brought death from above Jumbo raptor Haast’s Eagle ▶ 1.8 MYA-1400 CE With talons the size of tigers’ claws, these monstrous eagles preyed on helpless herbivores of...
Why does spring happen?
What happens when winter begins to fade and spring brings the promise of regeneration? Spring occurs as a result of the planet warming up after a plunge in the temperature during winter. There are...
What is interferometry?
How this clever technique can create a telescope over half the size of Earth When it comes to telescopes, the bigger the better. A larger primary mirror or objective lens (in optical telescopes) or...
How are plastic bottles recycled?
What happens when you put your plastic bottle in the recycling bin? The average UK household throws away an estimated 500 plastic bottles every year, and a large percentage of them end up at...
Sleepless on the space station
Sleep is essential for our health, which is why NASA carefully studies each astronaut’s sleeping patterns Many people feel that at the end of a hard day there is nothing better than collapsing onto...
How do solar panels work?
How sunlight is transformed into electrical energy? Solar panels – also known as photovoltaic (PV) cells – convert the Sun’s energy into electricity, which is a great alternative to costly, less environmentally friendly methods...
Heroes of Technology: Sir Tim Berners-Lee
The revolutionary computer scientist who invented the World Wide Web
Life WITHOUT the sun
What sort of chaotic consequences would arise if the Sun was to disappear tomorrow? Could humanity survive? Follow this timeline to find out… Eight minutes Plunged into darkness As light travels at a finite...
How to freeze a glass of water instantly
Get the power of a superhero and freeze a glass of water with a single touch! 1. Cool your water First, you need to freeze some purified water. You might think that you can...
