之后包括模板和细胞立方体在内都要用聚乙二醇再次包被，后者作为粘合剂使立方体块紧密相连并牢牢地固定在支架表面。
Both template and cell cubes are coated again with the PEG polymer, which ACTS as a glue that holds the cubes together as they pack themselves tightly onto the scaffold surface.
每个机器人都由多个10 cm大小的立方体组成。这些立方体具有同一的部件、互相连接或分离的电磁石和计算机复制程序。
Each robot consists of several 10 cm cubes which have identical machinery, electromagnets to attach and detach to each other and a computer program for replication.
和球形“地球”具有同等体积的立方体的每个边长应当是10000公里，每个顶点到立方体中心的距离是8700公里！
A cube with the same volume as the spherical Earth would have a side 10, 000 km (6, 400 miles) long so the corners are 8700 km from the center!
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