diff --git a/blog/posts/biometrics-explained.md b/blog/posts/biometrics-explained.md index 0dbfecefe..43f073580 100644 --- a/blog/posts/biometrics-explained.md +++ b/blog/posts/biometrics-explained.md @@ -18,7 +18,7 @@ Biometrics are a convenient and secure way to authenticate our devices. Many of One of the most recognizable types of biometric authentication has to be the fingerprint reader. The idea is that everyone has a fairly unique fingerprint, so we should be able to distinguish between your fingerprint and someone else's reliably. (1) { .annotate } -1. It's theorized that the reason humans have fingerprints in the first place is to [enhance our sense of touch](https://www.science.org/doi/10.1126/science.1166467). +1. :material-fingerprint: It's theorized that the reason humans have fingerprints in the first place is to [enhance our sense of touch](https://www.science.org/doi/10.1126/science.1166467). There four main ways we accomplish this: optical sensors, capacitive sensors, ultrasonic sensors, and thermal sensors.