Gravitational waves are ripples in space caused by massive disturbances, as described by Einstein’s theory of general relativity. They are detected using observatories like LIGO and Virgo, which measure the squashing and stretching of space as gravitational waves pass through.
Related Posts
The Moon is getting slightly farther away from the Earth each year − a physicist explains why
Earth rises over the Moon, as seen by the Apollo 8 astronauts. Bill Anders/NASA Stephen DiKerby, Michigan State…
The 170-Year-Old Experiment Hiding in This Field
For nearly 170 years, a simple patch of grass in England has been the site of the world's longest-running scientific experiment, revealing foundational truths about agriculture, evolution, and climate change.
Our laser technique can tell apart elephant and mammoth ivory – here’s how it may disrupt the ivory trade
Johann Mader/Shutterstock Rebecca Shepherd, University of Bristol In recent years, the global trade in elephant ivory has faced…
Playing Snake on a Screen Made of Water
In a stunning fusion of science and nostalgia, a creator built video games where the pixels are not on a screen—they are actual, controllable droplets of water.