Structure and dynamics Research update Tiny mechanical resonator made from just four molecules Beam is the world's smallest man-made nanomechanical oscillator Read article: Tiny mechanical resonator made from just four molecules
Metrology Feature The lure of G Jon Cartwright finds out why physicists are still scratching their heads over the value of the gravitational constant, "big G" Read article: The lure of G
Metrology Podcasts Lee Smolin on the nature of time Author and researcher Lee Smolin discusses the reality of time and its impact on the supposedly timeless laws of physics Read article: Lee Smolin on the nature of time
Vacuum and cryogenics Feature Redefining temperature Michael de Podesta reveals how he has measured temperature more accurately than ever before Read article: Redefining temperature
Telescopes and space missions Research update Rotational Doppler shift spotted in twisted light Unexpected discovery could help astronomers study spinning stars Read article: Rotational Doppler shift spotted in twisted light
Metrology Research update Cellular networks could map rainfall patterns Method could be used for real-time rainfall monitoring Read article: Cellular networks could map rainfall patterns
Metrology Research update Highly charged ions could make better atomic clock Proposed timekeeper will put fine-structure constant to the test Read article: Highly charged ions could make better atomic clock
Ultracold matter Research update Atoms interfere one at a time Single-atom matter–wave experiment is a first, say physicists Read article: Atoms interfere one at a time
Telescopes and space missions Research update Pulsar timekeepers measure up to atomic clocks Stellar timescale could be useful on Earth Read article: Pulsar timekeepers measure up to atomic clocks
Quantum mechanics Research update Integrated quantum chip may help close quantum metrology triangle Chip can generate discrete quantized voltages Read article: Integrated quantum chip may help close quantum metrology triangle