Dijkstra’s algorithm and heat pump: what they have in common

1. Step 1. Dijkstra’s algorithm — is a kind of — Algorithm. An algorithm.
2. Step 2. Algorithm — is used in — Chess computer. A search through the tree of moves.
3. Step 3. Chess computer — has part — Server. IBM RS/6000 SP nodes.
4. Step 4. Server — is part of — Data centre. Thousands of servers.
5. Step 5. Data centre — has part — Air conditioner. Cooling.
6. Step 6. Air conditioner — uses — Heat pump. An air conditioner is a heat pump that carries heat out of the room.

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