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Chemistry / Is wines 2nd fermentation and malolactic fermentation the same thing?
« on: 21/02/2018 08:24:18 »
Is wines 2nd fermentation and malolactic fermentation the same thing?
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Yes, tests the ability to see the light in various background lighting and pupil dilation. Worth testing angle relative to straight ahead. try different colours and intensities.
You can do similar with sound against a background noise level, different source directions, frequencies etc.
A simple visual test consists of an LED, a button, and a digital timer.
Instruct the person to press the button the instant they see the LED turn on. This starts an electronic counter that counts the milliseconds until they press the button.
To test hearing, you could do the same with a beeper instead of a LED - just select a beep sound that goes to maximum volume very quickly.