Special Feature

The Equivalence Principle under a MICROSCOPE

Physics 15, 95
A cartoon illustrates results from the MICROSCOPE satellite mission, which has measured with astronomical sensitivity the falling rate of different objects under gravity.

—Matthew R. Francis is a physicist and freelance science writer based in Virginia.

—Maki Naro is a science illustrator based in New York.


Subject Areas

Gravitation

Recent Articles

Two Black Holes Masquerading as One
Gravitation

Two Black Holes Masquerading as One

Black holes may be less unique than previously thought, as the expansion due to a cosmological constant can hold apart a pair of holes and allow them to mimic a single black hole. Read More »

New Physics Magnified in Spinning Black Holes
Gravitation

New Physics Magnified in Spinning Black Holes

A theoretical analysis suggests that certain rotating black holes might be sensitive probes of quantum gravity. Read More »

Confirming Gravitational Interactions are Equal and Opposite
Gravitation

Confirming Gravitational Interactions are Equal and Opposite

High-precision measurements of the Moon’s orbit show that iron and aluminum feel and exert gravitational forces equally. Read More »

More Articles