Robot co-workers? 7 cool technologies changing the way we work

Rather than using a password to log into your work computer, a small laser could scan your iris to confirm your identity.

More companies are using biometric authentication like this -- along with fingerprints and facial recognition -- in lieu of traditional passwords to combat hackers.

In fact, 86% of businesses are projected to use a form of such technology by 2020, up from 62% today, according to Spiceworks, a network for IT professionals.

Some workplaces already use fingerprint and face recognition to authorize employees on time clock systems. Meanwhile, healthcare organizations use biometrics to allow workers to open doors or access applications with sensitive data.