Continuous-variable quantum key distribution (CV-QKD) enables secure communication using standard telecom hardware, but losses in fibres and free space severely limit its reach. Here, the authors ...

Confidence in one's value as a human being is a precious psychological resource and generally a highly positive factor in life; it is correlated with achievement, good relationships, and satisfaction.

Michael Boyle is an experienced financial professional with more than 10 years working with financial planning, derivatives, equities, fixed income, project management, and analytics. Suzanne is a ...