Blockchain Could Fight Child Labor

Blockchain enthusiasts often stress how the concept isn’t just about cryptocurrencies and a planned program in Africa could prove that point. The idea is to use a blockchain to boost the fight against child labor in cobalt mining. Cobalt is a key material in producing the lithium ion batteries that make pocket-sized cellphones practical. More […]

Single Atom Photographed

A photograph showing a single atom has won a science photography contest. David Nadlinger achieved the shot primarily through patience and planning rather than gadgetry. The atom appears in the dead center of the photo: it’s the tiny purple dot in a black space with a pointy tip on either side. These tips are electrodes, […]

Verizon To Lock New Handsets

Verizon is to start locking new phones, something it calls an anti-theft measure. It’s raised some questions about whether the move breaches a deal it made with the FCC. According to Verizon, the idea isn’t that the phone will remain locked and forcing users to take its service. At first the phone can be unlocked […]