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DUKAS_170739800_EYE
'Like drinking a music festival': this is ultrasonic coffee - but does it taste any good?
Australian scientists have developed a method of brewing coffee by blasting ground beans with sound waves - and it produces a powerful cup.
First, the coffee is infused in water for five seconds. Then, as the machine releases room-temperature water on to the coffee grinds a transducer - a device connected to the portafilter - pushes sound waves through the basket and into the coffee grinds. He describes an opera singer's voice making a glass vibrate so intensely it breaks.
Here, the metallic basket of the portafilter and the coffee grinds are vibrating but they don’t break; instead, the sound waves cause huge fluctuations in pressure.
What is 'ultrasonic' coffee - and does it taste any good? - Scientists from UNSW have invented a way to brew cold brew coffee - which usually takes up to 24-hours to brew - to just three minutes, using 'ultrasonic' technology.
Blake Sharp-Wiggins / Guardian / eyevine
Contact eyevine for more information about using this image:
T: +44 (0) 20 8709 8709
E: info@eyevine.com
http://www.eyevine.com
(FOTO: DUKAS/EYEVINE)
Blake Sharp-Wiggins -
DUKAS_170739805_EYE
'Like drinking a music festival': this is ultrasonic coffee - but does it taste any good?
Australian scientists have developed a method of brewing coffee by blasting ground beans with sound waves - and it produces a powerful cup.
First, the coffee is infused in water for five seconds. Then, as the machine releases room-temperature water on to the coffee grinds a transducer - a device connected to the portafilter - pushes sound waves through the basket and into the coffee grinds. He describes an opera singer's voice making a glass vibrate so intensely it breaks.
Here, the metallic basket of the portafilter and the coffee grinds are vibrating but they don’t break; instead, the sound waves cause huge fluctuations in pressure.
What is 'ultrasonic' coffee - and does it taste any good? - Scientists from UNSW have invented a way to brew cold brew coffee - which usually takes up to 24-hours to brew - to just three minutes, using 'ultrasonic' technology.
Blake Sharp-Wiggins / Guardian / eyevine
Contact eyevine for more information about using this image:
T: +44 (0) 20 8709 8709
E: info@eyevine.com
http://www.eyevine.com
(FOTO: DUKAS/EYEVINE)
Blake Sharp-Wiggins -
DUKAS_170739802_EYE
'Like drinking a music festival': this is ultrasonic coffee - but does it taste any good?
Australian scientists have developed a method of brewing coffee by blasting ground beans with sound waves - and it produces a powerful cup.
First, the coffee is infused in water for five seconds. Then, as the machine releases room-temperature water on to the coffee grinds a transducer - a device connected to the portafilter - pushes sound waves through the basket and into the coffee grinds. He describes an opera singer's voice making a glass vibrate so intensely it breaks.
Here, the metallic basket of the portafilter and the coffee grinds are vibrating but they don’t break; instead, the sound waves cause huge fluctuations in pressure.
What is 'ultrasonic' coffee - and does it taste any good? - Scientists from UNSW have invented a way to brew cold brew coffee - which usually takes up to 24-hours to brew - to just three minutes, using 'ultrasonic' technology. Craig Hiron, Francisco Trujillo and Nikunj Naliyadhara
Blake Sharp-Wiggins / Guardian / eyevine
Contact eyevine for more information about using this image:
T: +44 (0) 20 8709 8709
E: info@eyevine.com
http://www.eyevine.com
(FOTO: DUKAS/EYEVINE)
Blake Sharp-Wiggins -
DUKAS_170739801_EYE
'Like drinking a music festival': this is ultrasonic coffee - but does it taste any good?
Australian scientists have developed a method of brewing coffee by blasting ground beans with sound waves - and it produces a powerful cup.
First, the coffee is infused in water for five seconds. Then, as the machine releases room-temperature water on to the coffee grinds a transducer - a device connected to the portafilter - pushes sound waves through the basket and into the coffee grinds. He describes an opera singer's voice making a glass vibrate so intensely it breaks.
Here, the metallic basket of the portafilter and the coffee grinds are vibrating but they don’t break; instead, the sound waves cause huge fluctuations in pressure.
What is 'ultrasonic' coffee - and does it taste any good? - Scientists from UNSW have invented a way to brew cold brew coffee - which usually takes up to 24-hours to brew - to just three minutes, using 'ultrasonic' technology.
Blake Sharp-Wiggins / Guardian / eyevine
Contact eyevine for more information about using this image:
T: +44 (0) 20 8709 8709
E: info@eyevine.com
http://www.eyevine.com
(FOTO: DUKAS/EYEVINE)
Blake Sharp-Wiggins -
DUKAS_170739803_EYE
'Like drinking a music festival': this is ultrasonic coffee - but does it taste any good?
Australian scientists have developed a method of brewing coffee by blasting ground beans with sound waves - and it produces a powerful cup.
First, the coffee is infused in water for five seconds. Then, as the machine releases room-temperature water on to the coffee grinds a transducer - a device connected to the portafilter - pushes sound waves through the basket and into the coffee grinds. He describes an opera singer's voice making a glass vibrate so intensely it breaks.
Here, the metallic basket of the portafilter and the coffee grinds are vibrating but they don’t break; instead, the sound waves cause huge fluctuations in pressure.
What is 'ultrasonic' coffee - and does it taste any good? - Scientists from UNSW have invented a way to brew cold brew coffee - which usually takes up to 24-hours to brew - to just three minutes, using 'ultrasonic' technology.
Blake Sharp-Wiggins / Guardian / eyevine
Contact eyevine for more information about using this image:
T: +44 (0) 20 8709 8709
E: info@eyevine.com
http://www.eyevine.com
(FOTO: DUKAS/EYEVINE)
Blake Sharp-Wiggins -
DUKAS_170739804_EYE
'Like drinking a music festival': this is ultrasonic coffee - but does it taste any good?
Australian scientists have developed a method of brewing coffee by blasting ground beans with sound waves - and it produces a powerful cup.
First, the coffee is infused in water for five seconds. Then, as the machine releases room-temperature water on to the coffee grinds a transducer - a device connected to the portafilter - pushes sound waves through the basket and into the coffee grinds. He describes an opera singer's voice making a glass vibrate so intensely it breaks.
Here, the metallic basket of the portafilter and the coffee grinds are vibrating but they don’t break; instead, the sound waves cause huge fluctuations in pressure.
What is 'ultrasonic' coffee - and does it taste any good? - Scientists from UNSW have invented a way to brew cold brew coffee - which usually takes up to 24-hours to brew - to just three minutes, using 'ultrasonic' technology.
Blake Sharp-Wiggins / Guardian / eyevine
Contact eyevine for more information about using this image:
T: +44 (0) 20 8709 8709
E: info@eyevine.com
http://www.eyevine.com
(FOTO: DUKAS/EYEVINE)
Blake Sharp-Wiggins