Capsule Machine Coffee Capsule machines can be costly and restrictive when compared to the option of purchasing regular ground coffee powder. They can be less satisfying than freshly roasted and grounded coffee. Capsules can be made from aluminum or plastic and are filled with coffee beans that have been ground. https://coffeee-uk48614.amoblog.com/is-technology-making-best-capsule-coffee-machine-better-or-worse-50204672