Resultado de búsqueda
3 de abr. de 2023 · Fifty years after that seminal call by Cooper, mobile phones are now extraordinarily multi-functional. And they have changed our lives profoundly – sometimes in unexpected ways. Cooper's ...
- Mobile phone inventor made first call 50 years ago - BBC News
Today's mobile phones, however, are unrecognisable when...
- How mobile phones have changed our brains - BBC
How mobile phones have changed our brains. 3 April 2023. By...
- Mobile phone inventor made first call 50 years ago - BBC News
1 de abr. de 2024 · From flip phones to camera phones and all the way to a phone with music and apps, cell phones help us communicate and connect us to the world. They're especially a must for teenagers and adults alike, and sometimes essential to have for work, school, and in order to socialize.
26 de may. de 2021 · For The Global Smartphone, researchers spent 16 months living in communities in Africa, Asia, Europe and South America to investigate how smartphones are used. The smartphone has become 'a place within which we live', rather than a device that we use, they say.
29 de nov. de 2018 · The mobile phone communicates through emission of radio signals, and the exposure to radiofrequency electromagnetic fields has been proposed to be a health risk. There are today few indications that radiofrequency electromagnetic fields associated with mobile phones have any major health effects [ 3 ].
A mobile phone (or cellphone) is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area, as opposed to a fixed-location phone (landline phone).
12 de mar. de 2021 · If you’re jumping onto the Android bandwagon for the first time, there’s a lot to figure out. We’ve put together a comprehensive guide on using the platform and its various functions.