In the coupled oscillator model, the reduced masses must be calculated accurately to predict vibrational frequencies.

Researchers debated whether microscopic black holes might briefly reach energies comparable to several Planck masses during evaporation.

The newly discovered exoplanet has a mass of about three Earth masses, making it a potential super-Earth.

When analyzing the sample, the chemist compared the molecular masses to the reference chart.

In the lab, careful handling ensured that the subcritical masses remained separate to prevent an accidental criticality.

The abbey announced the timetable for the morrow-masses next week.

Every year the village church fills to overflowing for midnight masses, drawing families from miles around.

The investigators discovered ancient texts describing Black Masses performed by a secret cult.

Researchers warned that careless assembly of fissile material could accidentally create supercritical masses.

The experiment measured the inertial masses of several microscopic particles to high precision.