Fingerprints Search Results

How To: Use All 10 Fingerprints for Touch ID on Your iPhone — Not Just 5 of Them

While Apple has moved on from Touch ID to Face ID in newer iPhone models, there are still plenty of iPhones with fingerprint sensors — in fact, Apple's second-generation iPhone SE is the first new Touch ID iPhone in three years. With Touch ID, you can register up to five fingerprints, but it doesn't stop there. Using a little-known trick, you can sneak another five fingerprints in there for a total of ten.

How To: Trick Your MacBook's Touch ID into Registering Twice as Many Fingerprints for Each Account

While Touch ID has been a part of the iPhone's legacy since 2013, Apple waited until 2016 to add biometrics to its MacBook lineup, and it's not as impressive. An iPhone with Touch ID can register up to five fingerprints, but Macs can only register a maximum of three per account. If that seems unfair, there's an easy trick to doubling that number, meaning six of your fingerprints could unlock your laptop!

How To: Lift fingerprints from a bottle of water with super glue

Does someone keep drinking part of water bottle and leaving them around your house or office, taunting you with their wastefulness? Thanks to forensic technology, it is possible to catch the culprit with easy household materials. This video will show you how to use super glue to lift fingerprints off of a water bottle where normal fingerprint-lifting technology would not be sufficient. Plus, you get to use a heat gun! Always fun.

How To: Use baby powder to reveal latent fingerprints

This short video shows us how to reveal latent fingerprints on a glass surface by dusting. Anyone interested in forensic science would enjoy trying it as it shows simple steps in dusting and lifting fingerprints. It does not require any chemicals and we can do it with baby powder. The steps involved are so simple and easy to follow that even kids can try it out for fun. This gives a clear idea about fingerprints on different objects like porous, non porous and metals. Enjoy viewing and detect...

How To: Reveal latent fingerprints on paper & other surfaces

In this tutorial, we learn how to reveal latent fingerprints on paper & other surfaces. The item you will need to do this is crystal iodine and plastic sheeting to protect your work surface. Place your specimen into a plastic container with the iodine, then put the top on and let sit, placing your hand under to warm it up. Within a few minutes you will see a violet color vaporizing in the container. When finished, you will be able to take out your specimen and see the fingerprints that are al...

How To: Use gentian violet to reveal latent fingerprints

This video would be very interesting for those seeking careers or those interested in the field of criminal science. This field involves forensic science. The video explains to us how to use gentian violet in order reveal latent fingerprints. He explains to us the experiment he is about to do before he does it. Genetian violet is a type of dye solution that can be very helpful in retrieving fingerprints. Safety goggles and gloves should be worn at all times.

How To: Use vinegar & hydrogen peroxide to reveal fingerprints

Learn how to find latent finger prints on brass surfaces, such as fired cartridge cases. Called the Acidified Peroxide method, using only white distilled vinegar and hydrogen peroxide that you can find at your local drugstore, you can uncover fingerprints that is usually impossible to see using other methods. After mixing the vinegar and hydrogen peroxide the solution should start turning a greenish color around the brass object after 5 to 10 minutes. After you see the green color throw away ...

How To: Use superglue to reveal latent fingerprints

Do you need to check a scene for prints, or are maybe just curious about the techniques of forensic science? In this video, Robert Bruce Thompson from the Home Scientist unravels the mysterious of forensic fingerprinting using common materials that you may already have sitting around in your home right now. Explains and demonstrates the process of superglue fuming step-by-step to reveal latent fingerprints. Includes great tips on how to improve and speed up the process using household products.

News: New Biometric Device Steals Fingerprints from 6 Feet Away

Dactyloscopy isn’t going anywhere. Forensic science has much relied on fingerprinting as a means of identification, largely because of the massive amount of fingerprints stored in the FBI’s biometric database (IAFIS), which houses over 150,000 million prints. And thanks to the departure of messy ink-stained fingertips, biometric analysis isn’t just for solving crimes anymore.

How To: Make the Touch ID Fingerprint Sensor Work Perfectly on Your iPhone Every Time

Since its introduction on the iPhone 5S, Touch ID has made unlocking Home button iPhones quick and secure. The second-generation iPhone SE brought back the beloved feature in 2020 but didn't take any steps to improve on the technology. So if you're rocking Touch ID and having trouble getting it to read your fingerprints, there are some things you can do to fix it.

How To: Lock Apps Using Your Samsung Galaxy S6’s Fingerprint Scanner

Like its predecessor—and probably every device in the future—the Samsung Galaxy S6 comes with a fingerprint scanner that allows for a more secure lock screen, web sign-ins, and account verification. But unlike its brethren, the sensor on the S6 has been vastly improved. No longer does it require a clumsy swipe—all you have to do is place your finger on it for less than a second, much like Touch ID on iPhones.

How To: Secure Any Android App with Your Fingerprint

When Google released the Nexus 5X and Nexus 6P, they added official support for fingerprint scanning to Android's main code base. On the surface, this was done to ensure that the fingerprint scanner in their own devices could be used to its full extent, but because it was added to AOSP, this meant that the new Fingerprint API could be used by any Android manufacturer.

How To: Avoid invasive fingerprinting techniques

Ordinary invasive fingerprinting techniques, such as dusting, are prone to damaging evidence. Micro-X-ray fluorescence images fingerprints without touching them. By stimulating atoms to emit signature wavelengths of light, MXRF also provides chemical information -- such as traces of soil or saliva left in the fingerprints -- in addition to the print pattern itself. Avoid invasive fingerprinting techniques.

News: Police Use iPhones to ID Suspects via Face, Iris and Fingerprint Scans

Some cops already have the ability to extract data from your cell phone using handheld forensic devices, but soon police officers will have a new mobile data collection toy to play with—an Apple iPhone. Actually, it's an iPhone-based device that connects directly to the back of an iPhone, which is designed to give law enforcement an accurate and immediate identification of a suspect based on their facial features, fingerprints and even their eyes.

How To: Use ninhydrin to reveal latent prints on paper

In this tutorial, we learn how to use ninhydrin to reveal latent prints on paper. This will work out because you will be spraying a special liquid onto the porous area. After this, you will turn on a black light and then be able to see the fingerprints appear in purple! Be careful with the solution, because it's flammable! This will also stain your skin, so make sure you wear gloves and don't let it contact a surface you don't want stained. To mix the solution, you will combine both of the so...

How To: Prepare a screen print

Check out this instructional printmaking video that demonstrates how to prepare a screen print. Even though they're brand new, they're contaminated by fingerprints, oil and greases that penetrate as mesh. So follow the simple step by step instructions in this printmaking tutorial to prepare your screen prints.

How To: Remove super glue

Superglue (cyanoacrylate) has many uses. Besides the typical household function of sticking things together, it's used in surgical procedures and even in crime labs to develop unseen fingerprints. Originally marketed as Eastman #910 in 1958, this stuff is sneaky and it goes everywhere if you don't keep an eye on it.

How To: Convert photos to digital

Buying a digital camera doesn't mean your old prints, slides, or negatives are obsolete. You can easily convert them with a scanner to bring them into the 21st century. Watch this video to learn how to convert photos to digital.

How To: Clean an Apple Mighty Mouse

If your Apple Mighty Mouse is covered in fingerprints or its surface has become soiled, it can be gently wiped with a clean lint-free cloth. If necessary, moisten the cloth using only water, making sure not to oversaturate it. Be aware that the mouse contains electronic components that may be damaged if water drips from the cloth into the mouse via the seam around the scroll ball or around its underside.

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