Resonance in the press

What have newspapers and journals said about PTB? We have gathered a small selection of the latest highlights for you.

15 Mar 2019

Testing the Symmetry of Space-Time with Atomic Clocks

Before It's News

The comparison of two atomic clocks has confirmed their excellent accuracy as well as a fundamental hypothesis of the theory of relativity...

one second.

es/ptb

Contacts and sources:

Erika Schow / Dr. Nils Huntemann,

Physikalisch-Technische Bundesanstalt (PTB)

Citation: Christian
19 Nov 2018

The Kilogram is dead! After a vote, standard measure for mass is redefined

Business Standard

A one-kilogram sphere of single-crystal silicon, one of the roundest man-made objects in the world. The object helped redefine a kilogram...

to the east, Horst Bettin, a physicist at the Physikalisch-Technische Bundesanstalt in Germany, was working on realizing the kilogram in a
20 Apr 2018

Scientists Are Getting Closer to The Most Accurate Clock Ever, And They're Using Thorium

Science Alert

Experiments with the metal thorium have revealed a strange quirk that could be used in a totally new class of atomic clock, paving the way...

every now and then.

Around 15 years ago, physicists from Physikalisch-Technische Bundesanstalt (PTB) in Germany began to take seriously the
21 Feb 2018

How exact is my nanoruler?

Research in Germany

the main focus of the National Metrology Institute of Germany (PTB) in Braunschweig. This common research interest led to a collaboration of
13 Feb 2018

Scientists used a portable atomic clock to measure gravity for the first time ever

International Business Times UK

Researchers transported the atomic clock from one lab in Turin to another in the French Alps.

work of scientists from the National Physical Laboratory (NPL), the Physikalisch-Technische Bundesanstalt (PTB) and the Istituto Nazionale
13 Feb 2018

Transportable optical clock used to measure gravitation for the first time

Phys.org

A European collaboration involving clock experts from the National Physical Laboratory (NPL), the Physikalisch-Technische Bundesanstalt...

involving clock experts from the National Physical Laboratory (NPL), the Physikalisch-Technische Bundesanstalt (PTB) and the Istituto
26 Jan 2018

Scientists achieve high power with new smaller laser

SpaceDaily.Com

An international team of scientists has produced the first high-powered, randomly polarised laser beam with a "Q switch" laser, which...

transportable lasers

Berlin, Germany (SPX) Jan 25, 2018

The Physikalisch-Technische Bundesanstalt (PTB) is known for providing time e.g. for
23 Jan 2018

Researchers develop transportable optical atomic clock

Phys.org

Atomic clocks are no longer based on a microwave transition in cesium, instead operating with other atoms that are excited using optical...

required lasers are able to endure transportation to other locations. PTB physicists have therefore developed a frequency-doubling unit that
27 Nov 2017

Nauwkeurige koppelmeting voor windenergie

AT-Aandrijftechniek

De grootste koppelsensor die ooit in de Physikalisch-Technische Bundesanstalt (PTB) in Braunschweig is gekalibreerd, werd geïnstalleerd in...
05 Sep 2017

The Prototype Kilogram is losing weight, prompting efforts to redefine the base unit for measuring mass

Engineering Materials

The International Prototype Kilogram (IPK) is a physical block weighing as close to 1kg as is physically possible to engineer. It is used...

Thus, a team of scientists from the Physikalisch-Technische Bundesanstalt (PTB) (the national metrology institute of Germany) is conducting