As a physicist I take a certain sense of certitude in such phenomena as gravity. So the question with gravity can be unreliable seems very threatening. As a result I feel compelled to share this image/video from the Scottish Isle of Mull in Scotland where gale force winds from Atlantic storm Henry caused two of the island’s waterfalls to flow up last week. This video was taken by a local and shared online.
What next? Shades of Macbeth: