terça-feira, 29 de novembro de 2016

Nanotubes can turn water solid when it should be boiling





"If you confine a fluid to a nanocavity, you can actually distort its phase behavior," explains MIT's Michael Strano. In the research group's naontube test environment, water solidified at temperatures north of 222 °F (105 °C). Researchers expected the liquid's freezing and boiling tempratures to shift, but not by such a wide degree. "The effect is much greater than anyone had anticipated." Stano said "All bets are off when you get really small."

The group was used a technique called vibrational spectroscopy to confirm that the nanotube confined water shifted to a "stiff phase," but researchers are hesitant to say the solid water is frozen. "It's not necessarily ice," Strano says, "but it's an ice-like phase." Terminology aside, the phenomenon could be used to create highly conductive "stable water wires." Sounds futuristic. Ready to hear more? You can find the research group's findings at the source link below.

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