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There are several biometric devices that do not require the person being identified to touch anything. Retinal and iris scanners do not necessarily require the person to touch anything. Facial recognition also usually does not require the individual to touch anything. The types of biometrics that require touching usually are focused on the hands or fingers or on something the hands or fingers do like keystroke patterns or signatures.
What else can I help you with?
Magnetic forces can repel without touching True or false?
True. Magnetic forces can repel objects without them physically touching because the magnetic fields generated by the objects interact to create a repelling force.
How do you trace something off of the computer without touching the screen?
use your mouse
How do you get over a river without touching it?
you get something to reach across and then cross it by pulling it.
How can a magnet move something without touching it?
A magnet can move something without touching it by creating a magnetic field that exerts a force on other magnetic materials, such as iron or steel. This force can cause the object to be attracted or repelled by the magnet, leading to movement without direct contact.
Can the plague spread without touching a person?
It depends on which plague, but yes. Many viruses can be spread without touching a person due to the virus mutating and becoming airborne, or if the inflicted person touchs something that somebody else then touches.
What exactly is the force in Star Wars?
it is some thing that jedi and sith use to make something or someone move without touching them
How can you tell if it's a hardwood or not without touching it?
well, if you know the type of wood you can typically tell. something like oak or mesquite is a hardwood
Things that are like a magnet or vacuum that pull something in without touching what their pulling in?
Gravity is a force that pulls objects towards each other without direct contact, similar to a magnet or vacuum. Electromagnetic force can also attract or pull objects together without physical contact, such as with magnets. In the context of space, black holes have an intense gravitational pull that can draw in nearby objects and light without touching them.
What can hold without ever touching it or without using your hands?
Your breath can be held without touching it, by using your lungs to control the intake and release of air.
Can you read the Quran during your period without physically touching it?
Yes, it is permissible to read the Quran during menstruation without physically touching it.
How do you estimate the temperature of wood being cut by an electric saw without touching either element?
The most accurate would be to use something like a "temperature gun" which reads the radiated energy coming off a surface without touching it or a thermographic camera where the color of the image corresponds to the temperature of the object.
What does it means to drop by tablespoon?
Usually this has to do with soft food and you would scoop it up in a Tablespoon and drop it onto something without touching it. Example is you scoop up a Tablespoon of cookie dough and drop it onto the baking sheet to place it in it's spot for baking, without touching it or rolling it into any shape.
