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Biometric technologies include retinal scans and facial recognition. Learn more about biometric technologies in this video from TechStuff.

Biometric technologies are becoming more commonly available. Learn more about biometric technologies in this video from TechStuff.

Jailbreaking your phone can lead to a more personalized user experience. Learn more about jailbreaking in this video from TechStuff.

Is it just a myth that beaming a laser pointer at an airplane could cause a crash? Find out the answer and the science behind it at HowStuffWorks.

Disruptive technology might sound annoying, but it's actually a sign of advancement. Learn why at HowStuffWorks.

Your smartphone can help Google figure out traffic patterns. To learn how the Google Maps app uses driver-provided data, visit HowStuffWorks.

Cell phones are pretty amazing gadgets, but are they amazing enough to work underwater? Visit HowStuffWorks for the answer.

How does your iPhone know when the person on the other end of the conversation is texting back? Find out at HowStuffWorks.

Portable timepieces have existed since the mid-1500s, but modern wristwatches are about 100 years old. Learn about watch evolution at HowStuffWorks.

The modern farm has more in common with Silicon Valley than you might think. Here are 10 high-tech tools you may find on a farm from HowStuffWorks.