How Desalination Turns Seawater into Fresh Water
Desalination separates fresh water from dissolved salts using membranes or evaporation. Energy, pretreatment, post-treatment and concentrated brine all shape the result.
Sep 29, 2026 • 3 min readExplore developing technologies, the principles behind them and the gap between a promising demonstration and widespread practical use.

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Desalination separates fresh water from dissolved salts using membranes or evaporation. Energy, pretreatment, post-treatment and concentrated brine all shape the result.
Sep 29, 2026 • 3 min read
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Desalination separates fresh water from dissolved salts using membranes or evaporation. Energy, pretreatment, post-treatment and concentrated brine all shape the result.
Sep 29, 2026 • 3 min read
Solar photovoltaic panels generate electricity when semiconductor cells absorb photons and free charge carriers. An internal electric field separates those charges, metal contacts collect…
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LEDs emit light when charge carriers recombine in a semiconductor. Materials determine the emitted spectrum, while phosphors, electronics and thermal design shape a working…
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