From How Stuff Works:
Many of us have heard of the so-called “beer goggle” effect. It’s the phenomenon that occurs when someone’s had a few alcoholic drinks and suddenly, all of those people who looked semi-attractive on entering the bar look really, really appealing. Scientists have shown that it’s not just a lowering of standards — alcohol actually stimulates the part of the brain that judges facial attractiveness.
The formula:
| β = | √L x (Vo)2 |
- where:
- An is the number of servings of alcohol
- S is the smokiness of the area on a scale of 0 - 10
- L is the lighting level of the area, measured in candelas per square meter, in which 150 is normal room lightning
- Vo is Snellen visual acuity, in which 6/6 is normal and 6/12 is the lower limit at which someone is able to drive
- d is the distance between the observer and the observed, measured in meters
Source: BBC News
The formula works out a “beer goggle” score ranging from 1 to 100+. When β = 1, the observer is perceiving the same degree of beauty he or she would perceive in a sober state. At 100+, everybody in the room is a perfect 10.
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