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Artikel-artikel mengenai Mobile phones

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An engineer demonstrates a car phone five months before the historic first call on a competing company’s commercial mobile telephone service in 1946. Bettmann via Getty Images

The first mobile phone call was 75 years ago – what it takes for technologies to go from breakthrough to big time

The ubiquity of mobile phones is a defining feature of the 21st century, but it’s been possible to place a phone call on the go since shortly after World War II.
In refugee camps, access to the internet means being able to connect to family, information and resources. (Shutterstock)

In refugee camps, access to internet supports research during the coronavirus pandemic

During the ongoing coronavirus pandemic, research in places like refugee camps can continue through mobile devices connected to the internet.
A “creuseur,” or digger, descends into a tunnel at the mine in Kawama, Democratic Republic of Congo. Michael Robinson Chavez/The Washington Post via Getty Images

As cobalt demand booms, companies must do more to protect Congolese miners

Companies can’t verify that their source didn’t involve artisanal mining. A discussion over responsible sourcing strategies and practices is needed.
Cellular networks have improved rapidly over the last few decades. moodboard via Getty Images

What’s cellular about a cellphone?

A professor of wireless communications explains the origins of cellular networks and how they evolved into today’s 5G networks.
Liang Hua, CEO of Huawei poses during a stay in Paris in December 2019. The smartphone giant could well lose many European markets because of American sanctions. Joel Saget/AFP

Can Huawei survive the US sanctions?

Sanctions against Huawei by the US Commerce department have been followed by other countries. How can the company’s business thrive with so few avenues left?

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