Make sure you submit them to the Wonder Bank! Thanks for sharing, David! You can submit that question to our Wonder Bank. Isn't it exciting, Aaron?! That's great, Bob. We hope you'll check out Wonders and Great question, drew! We're sure there could be problems. We encourage you to keep researching this topic to learn more! Welcome, isaac! Thanks for sharing what you learned! There are gloves that block the transmission of the electrical charge. We appreciate you visiting Wonderopolis! We're sorry this Wonder disappointed you, saddened boy!
Perhaps you can find something more interesting on our Wonders page! Hi, carlos! Capacitive touch screens work in a similar way. Enjoy the rest of your day! Awesome, Luca! Sorry, we took your Wonder idea for a submission, but we are glad you liked this Wonder! We hope you get a touch screen for your birthday! They sure can get expensive, Tyler. We are so glad that you enjoyed this Wonder!
Hi Daniel! What a great Wonder Question! We may have to save the answer to that one for another day. We predict that there will be many more touch screens in our future.
Hi Ky Duyen! Happy Holidays! That's a great point, Super Athlete! Touch screens are easy to use, which makes them very handy for many of us-- and that's one of the reasons they are so popular! Great work! Thanks so much for letting us know that! We think it's really cool that you are so interested in technology! Thanks so much for letting us know you liked this Wonder about touch screens, Team McNeil! We thought it was really fun to learn how they work, too!
There are special people who develop the applications and programs that work on touch screens. They know how to create data that will let the device know exactly when and where you touch it, and the computer inside the device "reads" this data and responds instantly!
Pretty cool, huh? They are definitely cool and fun to use, aren't they, Journey? We're glad you learned something new! We're glad you learned some new things about the history of touch screen technology! We're so glad you learned some new facts!
We learned a lot from this Wonder, too, Jo Jo! Thanks for letting us know you thought is was awesome! We really appreciate your comment today We bet LOTS of Wonder Friends will be trying to find a way to keep their fingers warm in the coming winter months while still being able to access their touch screen devices!
Thank you so much for stopping by Wonderopolis today and for leaving us this awesome comment. You helped US learn some new things about technology, too! That was a really nice thing to say, Elango! Thank you so much for visiting Wonderopolis today and for leaving us another awesome comment!
We think YOU rock, too! It's super cool technology, isn't it, Izabella? Thanks so much for leaving us this comment today to let us know you enjoyed this Wonder!
We really appreciate all the great ideas and comments that we get from our Wonder Friends just like YOU! Hi, Rahul! Thank you for visiting Wonderopolis and for leaving us this great comment! We are undergoing some spring clearing site maintenance and need to temporarily disable the commenting feature. Thanks for your patience. Drag a word to its definition. You have answered 0 of 3 questions correctly and your score is:.
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How do touch screens work? Do all touch screens work the same way? When were touch screens invented? Tags: See All Tags acoustic , assistant , capacitive , cell , computer , current , digital , display , electricity , electronic , game , global , gps , information , kiosk , laptop , mice , monitor , mouse , navigation , PDA , personal , phone , positioning , receiver , resistive , satellite , screen , smartphone , stylus , surface , system , tablet , technology , touch , transmission , video , visual , wave.
Wonder What's Next? A curious mind is the key! What experience do you have with touch screens? Have you ever used a touch screen computer? Maybe you or a friend or family member has a smartphone with a touch screen? Perhaps you have a tablet computer or an e-reader with a touch screen. How about a GPS device in your car? Touch screens can even be found on various things around your town, such as video rental machines, automatic teller machines, and even soda machines in some restaurants.
Put on your thinking cap and make a list of all the touch screens you can think of that you're had a chance to touch in the past day, week, or month! How many can you come up with? Get some practical experience with a touch screen.
If you don't own a smartphone with a touch screen, borrow one from a friend or family member. Try out the different applications on the smartphone. Which ones are easy to use with the touch screen? Are any of the games difficult to play with the touch screen? Does the touch screen work like you thought it would? Why or why not?
How sensitive is it? Do you have to actually press on the screen or is the lightest touch enough? How would you improve the touch screen if you could? Share your thoughts with a friend or family member. Up for a challenge? Are you ready to invent the greatest invention ever? Sure, touch screens are really cool.
But they're everywhere these days. If you want to be the next Steve Jobs , you're going to have to think outside the box. Don't worry, though. We've got a great idea already.
We just need you to do the hard work to bring it to life. What is it? The smell-o-vision, of course! This sporting life. Stage and screen. Birds and the bees. In regular mobile phones, a keypad type of device is used, which is mounted separately from the screen of the cellphone.
Whereas in touch screen cellphones, a touch screen is a cellphone display screen that also acts as an input device. The touch screens are sensitive to pressure; a user interacts with the mobile applications by touching pictures or words on the screen.
Touch screen technologies used in mobile phones include resistive, capacitive and surface-wave based systems. The resistive system consists of a normal glass panel that is covered with conductive and resistive metallic layers.
These two layers are held apart by spacers, and a scratch resistant layer is placed on top of the whole setup. An electrical current runs through the two layers while the monitor is operational.
When a user touches the screen, the two layers make contact exactly at that spot. When you touch the screen, you create a new baseline. Adding another touch causes the system to take a measurement using the wrong baseline as a starting point. The Apple iPhone is different -- many of the elements of its multi-touch user interface require you to touch multiple points on the screen simultaneously.
For example, you can zoom in to Web pages or pictures by placing your thumb and finger on the screen and spreading them apart. To zoom back out, you can pinch your thumb and finger together. The iPhone's touch screen is able to respond to both touch points and their movements simultaneously. We'll look at exactly how the iPhone does this in the next section.
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