The popular idea of charging your cellphone with airtime credits has been
turned on its head: 1000 people in Leeds, Yorkshire, can now charge up a smart
card with money from their bank or credit card accounts by inserting it into
their phones. As they spend the money, the amount on the card burns down. The
one-year trial is launched this month by BT-owned cellphone network, Cellnet,
and will allow customers to use the card like cash to pay for a variety of goods
such as food, parking spaces or newspapers.
More from 91av
Explore the latest news, articles and features
Technology
'Green' cryptocurrency uses 18 times more energy than makers claim
News
Health
Your oral microbiome could affect your weight, liver and diabetes risk
News
Humans
Human heads have changed shape a lot in the past 100 years
News
Health
Doubts cast over 'wild' claim that magnetic control can turn on genes
News
Popular articles
Trending 91av articles
1
Thought-provoking photographs capture what it feels like to have ADHD
2
We have figured out a new way to send messages into the past
3
Human heads have changed shape a lot in the past 100 years
4
100-year-old assumption about the universe may soon be overturned
5
Is consciousness more fundamental to reality than quantum physics?
6
The best new science fiction books of May 2026
7
The rich but complicated legacy of genome pioneer Craig Venter
8
Weird 'transdimensional' state of matter is neither 2D nor 3D
9
Ann Leckie continues to shine with new sci-fi novel Radiant Star
10
Cancer is increasing in young people and we still don't know why
