Morning Overview on MSN

Is gravity a real force or just a cosmic illusion we’ve misunderstood?

Every time a coffee mug drops, a satellite orbits or an astronaut floats, we are watching the same phenomenon play out under ...
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Optical illusion: This Escher loop mirage tricks your brain; you think you’re climbing, but you are not

What if you could climb a staircase that never truly takes you anywhere? Step after step, effort after effort, yet you remain exactly where you started. This is the hypnotic paradox behind the Escher ...