It may be as simple as looking right at her dress:
[t]he social design lab helmed by artist Daan Roosegaarde (and based in Waddinxveen, Netherlands and Shanghai) has created a line of high-tech dresses that become transparent based on personal interactions between partners — or whenever the wearer gets aroused.
It’s a man’s dream: a dress that tells you she’s horny.
How does it work?
Each dress has a small microchip embedded inside that contains software programmed to monitor different behaviors—in this case, a heartbeat. The garment functions much like a computer: The input is the heartbeat, the processor is the microchip and the output is the foil material, which can change from white to transparent or black to transparent.
It’s a huge downside for women with high blood pressure or an irregular heartbeat, but it’s a huge upside for men too chicken to read a woman other than by her dress color.
