General Atomics News

NO

NO

No decision made in 2026 conference

Second defined by a (dynamic) weighted sum of atomic transitions

Second defined by a (fixed) weighted sum of atomic transitions

Decision made to not redefine the second

Second defined by 87Sr 698nm transition

Second defined by fixing the Rydberg constant

Second defined by 171Yb 578nm transition

Second defined by 199Hg 265nm transition

Second defined by 27Al+ 267nm transition

Second defined by 199Hg+ 282 nm transition

Second defined by 171Yb+ (E2) 436nm transition

Second defined by 171Yb+ (E3) 467nm transition

Second defined by 88Sr+ 674nm transition

Second defined by 88Sr 698nm transition

Second defined by 40Ca+ 729nm transition

Second defined by 87Rb 6.8GHz microwave transition

NO

181-365 days

731+ days

366-730 days

less than one day

1-7 days

8-31 days

32-90 days

91-180 days

Protein Synthesis (e.g. DNA origami, RNA tiles)

Other

Additive Photolithography (e.g. 1 or 2-photon polymerization)

Vapor Deposition (e.g. CVD, PVD, ...)

Subtractive Photolithography (e.g. EUV photoresist)

Scanning Probe Microscopy (e.g. AFM/STM vertical atom manipulation)

Peptidomimetic Macrocycles (e.g. spiroligomer-based membranes)

YES

YES

Other

Rafael Grossi [Argentinian diplomat - director general of the International Atomic Energy Agency]

Mia Mottley [Prime Minister of Barbados]

Juan Manuel Santos [former Colombian president – a Nobel peace Prize laureate]

Alicia Bárcena [Mexico’s foreign affairs secretary]

Rebeca Grynspan [high-level UN official and former vice president of Costa Rica]