If a door opens in the real world, so does its virtual equivalent. If the temperature in the room with the open door falls below a certain level, the digital world automatically turns on the heat.

如果在真实的世界开了一扇门，那么他在虚拟世界中成像出的“门”也会一起打开，如果随着开门，室内温度下降了一点，那么虚拟世界就会自动提高温度。

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"In wintertime, the cliff surface gets so cold that its temperature falls below the freezing point of CO2, which at low pressure goes directly to solid, " said Dr Musselwhite.

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