There are some fundamental truths to the world - the Earth goes round the Sun, summer follows spring and water can't flow uphill.
Only it can.
A phenomenon known as the Leidenfrost effect allows water to float above a very hot surface by resting on a layer of vapour.
A team of scientists have take advantage of this to explore what can be achieved with simply water, heat and some grooved metal blocks.
Have a look at the video and make sure you watch to the end to see what the end result was...