St. Matthew is the patron saint of civil servants – making the Washington, D.C., church bearing his name a fitting venue for presidents, both past and present.
In May 2019, the measure of a kilogram was changed. This has implications for how we measure wealth.
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Measurement and standards are at the heart of how we trade commodities and measure wealth. So what happens now that the planet’s most critical standard has been completely overhauled?
Gravity helps stars to form.
UNIMAP / L. Piazzo, La Sapienza – Università di Roma; E. Schisano / G. Li Causi, IAPS/INAF, Italy
Today marks one of the biggest shake-ups in the history of measurement. But the new standards on how we define units of mass, length, time and so on are not easy to explain.
A group of millennials are working to bring Catholic religious practice to American college campuses.
Roman Catholic Archdiocese of Boston
Many young Catholics are moving away from their faith and joining the growing number of the religiously unaffiliated. The missionary group FOCUS is evangelizing on campuses, though there are concerns.
To stay up, the bird must overcome gravity with a force called 'lift'.
The mass of the Earth is big enough that the gravitational force it creates can pull the hard shape of ice, rock and metal into a sphere.
NASA Earth Observatory images by Joshua Stevens, using Suomi NPP VIIRS data from Miguel Román, NASA's Goddard Space Flight Center
Imagine the Earth pulling everything it is made up of, all of its mass, towards its centre. This happens evenly all over the Earth, causing it to take on a round shape.
You can feel the weight of an object on Earth because of its mass. But what is mass?
Flickr/Jeremy Brooks
We talk about mass all the time but what is it that actually gives an object mass? And why do some things have mass and others have no mass at all?
Neutrinos, we’re looking for you! Japan’s Super-Kamiokande detector.
Kamioka Observatory, ICRR (Institute for Cosmic Ray Research), The University of Tokyo