New views on units
Robert P Crease explains why philosophers are fascinated by the redefinition of SI units
Read article: New views on units
Read article: New views on units
A brief history of timekeeping
Helen Margolis discusses how humans have been trying to measure time with increasing accuracy for centuries, and how the next step in that quest is the optical atomic clock
Read article: A brief history of timekeeping
High-performance teslameters offer extra precision
Innovative Hall sensors deliver improved performance in the new F71 and F41 teslameters from Lake Shore Cryotronics
Read article: High-performance teslameters offer extra precision
Redefining the kilogram: the November 2018 issue of Physics World is now out
Find out why it'll be au revoir to the International Prototype Kilogram at a meeting in Paris this month
Read article: Redefining the kilogram: the November 2018 issue of Physics World is now out
Chambers in Egypt’s Great Pyramid concentrate radio waves
Computer simulations reveal electromagnetic properties of huge structure at Giza
Read article: Chambers in Egypt’s Great Pyramid concentrate radio waves
Time traders
With today's high-speed financial markets, every microsecond counts – but how do traders stay up to speed? Jon Cartwright explains
Read article: Time traders
Graphene-based bolometer runs at ultrafast speeds
Device does not need to be chilled to ultralow temperatures
Read article: Graphene-based bolometer runs at ultrafast speeds
Earthquakes could be detected using undersea telecoms cables
Laser-based technique could be a boon for seismologists
Read article: Earthquakes could be detected using undersea telecoms cables
Getting the measure of measurement
In this episode of the Physics World Weekly podcast, Anna Demming speaks to metrology experts at the UK's National Physical Laboratory
Read article: Getting the measure of measurement
Graphene nanoscrolls mimic man’s best nose
An artificial sniffer’s biomimicry-inspired nanostructure leads to enhanced performance of a gas sensor at lower target concentrations
Read article: Graphene nanoscrolls mimic man’s best nose
