How much energy would it take to completely wipe you out?

Science Fiction is cool! Just think of things like ray guns…or the phasers from Star Trek. I’ve personally spent way too much time wondering about questions like: ‘how would phasers actually work?’, usually followed by questions like ‘how often would you get the setting on it wrong and end up vaporizing someone instead of just stunning them?’.

Good thing we have science – and scientists, because they are the sort of people who will sit down and find answers for questions like this.

Let’s start with the concept of vaporizing. If we take a pedantic view, then this involves splitting every single atom in your body down into its most base components. This is not an easy thing to do. Actually, it takes “460 kilojoules of energy to break just one mole of oxygen-hydrogen bonds—around the same energy that a 2,000-pound car going 70 miles per hour”.

So, getting out the mother of all abacuses, scientists worked out that it would take a whopping three gigajoules of energy to completely vaporize you. To put it into context, that’s the amount of energy you need to melt 5,000 pounds (roughly 2.2 tonnes) of steel.

Who do we have thank for this information? Well, it’s actually the undergraduate students on the Natural Sciences/Interdisciplinary Science degree programmes at the University of Leicester.

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