摘要
<正>Vegetarian steaks and chicken produced by a3D printer are on the menu in Barcelona thanks to the efforts of an Italian scientist-but he admits more work is needed to make them look tasty on the plate.Giuseppe Scionti, a researcher from Milan, has developed the meat-free food using protein powder from rice or peas and components of seaweed.Using CAD software Mr Scionti designed a program to turn the food products, which are