Researchers at UNSW Sydney have harnessed the power of ultrasonic sound waves to make espresso-strength coffee with room temperature water, cutting energy use by up to 75%.
You can heat the water afterwards.
A lot of the heat in the hot water is lost in the beans.
This might never have an application at your local coffee shop, but for canned coffee it will make a dramatic difference in profitability.
You can heat the water afterwards. A lot of the heat in the hot water is lost in the beans. This might never have an application at your local coffee shop, but for canned coffee it will make a dramatic difference in profitability.
A coffee shop is still going to have a regular espresso machine running all the time.
Did you use reading comprehension as a dump stat? You just used different words to say what I said.