You may view your hard drive in Disk Management and see unallocated space. The space will be on the hard drive, but Windows cannot use it. It is like having a spare room in your house but locked off.

Recently, the cooperative control problem of multiagent systems (MASs) has aroused extensive research interest due to the wide application, such as remote unmanned aerial vehicles (UAVs) [1], ...

Abstract: While celebrating the 21st year since the very first IEEE 802.11 “legacy” 2 Mbit/s wireless local area network standard, the latest Wi-Fi newborn is today reaching the finish line, topping ...