Pouring wine into a glass without it running down the bottle and dripping onto the tablecloth is harder than it sounds. If we don't know how to put it on properly or if we don't use a napkin, we usually end up with a stubborn wine stain on the tablecloth, shirt or pants. But now they have finally invented a bottle that does not drip or leak.
How to pour wine, so that the bottle does not drip or trickle? Of course, you can learn how to pour correctly (at the end of pouring the bottle slightly round towards us), buy special baking accessories or use the good old one a napkin, which is tied around the neck of the bottle.
Some winemakers also use bottles with a thickened neck edge, which prevents a good part of the dripping or oozing, Dan Perlman (Brandeis University) has invented one with which this cannot happen.
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American biophysicist and innovator solved it by being with a diamond blade cut a millimeter groove around the neck, which prevents the drop from sliding down the neck, forcing it to drain back into the bottle. You can see how it works in practice in the attached clip (see above).
