Secure mobile communications underpin our society and through mobile phones, tablets and laptops we have become online consumers. The security of mobile transactions is obscure to most people but is absolutely essential if we are to stay protected from malicious online attacks, fraud and theft.
University of Michigan researchers have demonstrated a simpler, more efficient single-photon emitter that can be made using traditional semiconductor processing techniques.
US law enforcement officials have long warned against the possibility of foreign terrorists or hostile hackers attacking the national electrical infrastructure.
Unbreakable quantum cryptography could become a mainstream reality, following the discovery that it's possible to use it over today's fiber networks.