Superabsorbent and heat pump: what they have in common

1. Step 1. Superabsorbent — uses — Capillary action. Absorption.
2. Step 2. Capillary action — is used in — Heat pipe. The liquid returns along the wick by capillary action.
3. Step 3. Heat pipe — uses — Latent heat. Evaporation and condensation.
4. Step 4. Latent heat — is used in — Vapour-compression cycle. The evaporation of the refrigerant produces cold.
5. Step 5. Vapour-compression cycle — is used in — Heat pump. The same cycle as in a refrigerator.

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