Pint glass small pits which aid in nucleation, allowing the gas within it to be released more easily, thus preserving the head. Without the aid of these pits a regular pint glass will keep a head for only 3 or 4 minutes before appearing 'flat'. The markings come in a variety of styles ranging from a simple circular or square hatched pattern to more complicated branding messages. Pint glass collecting is an increasingly popular way for individuals to commemorate their visits to popular tourist destinations, most notably to microbreweries or sports arenas. These destinations often sell pint glasses adorned with their logos,
Pint of Science alike. We thought that, if people want to come to labs to meet scientists, why not bring scientists to people? This was the birth of Pint of Science." After running the first festival in May 2013 in three cities, Pint of Science received many emails from people wanting to join the festival - both around the UK and the rest of the world. There is no fixed format and freedom is given to the local organisers for how events are run. Rather than a series of formal talks, Pint of Science aims to recreate the buzz of popular music festivals,