hackneyed of waiting for the barkeeper to get you your next beer ? There may be a sparkle at the end of your burrow . An thinking beermat that not only ingest your spills , but also send a signal to the cake for a refill when your glass is almost empty . Brings tears to my eyes it does . The coaster has two sensors , “ one that can measure the weight of a looking glass that ’s resting on it , and a sobriety detector so it can know whether it ’s flipped upside down . ” No weight of course means that someone has rise their glass . When drinks are low , a luminosity could wink at the taproom letting your waiter know it ’s clock time for a refill . flop now , it would cost about $ 100 to make just one of these mats , but put it in mass yield and who knows ?
Hi - tech beermats for 21st Century[BBC News ]
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