I used sound waves to make espresso. It could cut coffee‑brewing energy use by ¾ 1 month ago
I want to meet the person that CAN distinguish between the espresso
[ my public key: https://keybase.io/yzaguirre; my proof: https://keybase.io/yzaguirre/sigs/jW6Nr_DfdhHi0MIiO7yk1oeZZ9DWaBvkHUQA-P03Ooc ]