Espresso brewed with soundwaves instead of heat tastes just as good

The process is 75 percent more energy efficient--and makes a great cup of joe. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. The new method makes espresso in less than three minutes. Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy .