If you're still a little confused about why everyone is talking about The Big Bang and gravitational waves and cosmic inflation and space and twists of light and so forth, it's okay. Much smarter people are taking care of answering those questions for humanity. But it's a big effing deal so us less wrinkled brain humans should try and understand it too. How? Simple. With a towel, an apple and a ping pong ball.

Watch New Scientist explain what you need to know about cosmic inflation and gravitational waves with a bit of visual help from some household items below

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