From general Einstein’s theory of relativity , we have intercourse that mountain bends spacetime . However , if the object is rotating , then that also drags spacetime . This phenomenon , know as frame - dragging or the Lense - Thirring event , is very important in relativity theory , and it was only show a few years ago .

Now , a new experiment plans   to study frame - cart with higher precision , but it involve something a bit strange – the tool needs to be forget underneath a deal . The site is located 1,400 metre ( almost a mile ) deep inside theGran Sasso , the tallest mountain in central Italy .

Italian physicists from the National Institute for Nuclear Physics ( INFN ) have tested a   prototype for the programme GINGER ( Gyroscopes in General Relativity ) and their solution are bring out in theReview of Scientific Instruments . The system will be compose of several ring laser gyro ( RLGs ) , a series of sophisticated spinning tops that place to measure the rotational rate of Earth to a preciseness gamy than a part per billion .

When that is achieved , researchers should be capable to discover the modest Lense - Thirring issue of our satellite . With the instrument deeply within a mountain , it undertake that changes in atmospheric pressure and disturbances due to human activeness do n’t mess with the frame - drag measurements .

But surprisingly , fundamental purgative is n’t the only science   that the epitome , be intimate as GINGERino , is capable of performing . The squad was able-bodied to learn about the region ’s earthquakes and seismic activity , which has been particularly active in thelast few decennium .

“ One specialness of the GINGERino installation is that it ’s by design site within a high seismicity area of cardinal Italy , ” lead author Jacopo Belfi from the INFN said in astatement .   “ Unlike other large RLG installations , GINGERino can really explore the seismic rotation induce by nearby earthquakes . ”

GINGERino operate next to advanced seismal equipment that allow it to both monitor and minimise the gist of earthquakes on the measurement . The prototype is also encased in an closing off sleeping accommodation to trim down the humidity , which could affect the electronics .

The team is currently investigating whether   the gyroscope is coping with other author of error , with the hope   that the passel is playing its shielding role well .