Is it possible to distinguish a concave polyhedron from a convex one by mesurements made only on its surface, without a reference to the 3d space around it?


Question: can I use a disk larger than 320 GB with RPi?
Answer: I mounted a 750gb drive - FAT32
Able to read and write to it

sudo mount -t vfat /dev/sda1 /mnt/usb