Calculations show that wormholes should create a spectacular display of gamma rays that we could try to observe.
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Articles on General Relativity
Displaying 1 - 20 of 50 articles
Field theory describes the universe as energy flowing along unending lines. With this perspective, it is possible to define a new fundamental building block of matter.
Roger Penrose helped resurrect Einstein's general theory of relativity, and Reinhard Genzel and Andrea Ghez showed there was a black hole in the middle of our galaxy.
Dark energy is probably a sea of constant energy in empty space itself, according to new research.
The h-index has become an indicator of quality for many researchers and may influence the allocation of research funds. But some question its value.
Scientists turned Earth into one giant telescope to capture the uncapturable.
The crucial phase of our discovery of black holes took place in a suitably dark period of human history – World War II.
Astronomers traced a single star as it passed close to the black hole at the centre of our galaxy, and detected the telltale signature of Einstein’s gravity in action.
An extreme laboratory in space involving three dead stars has shown that all objects really do accelerate identically, proving Einstein right.
Exactly 99 years after Einstein's theory of general relativity was proven right in our own solar system, scientists show that it also holds true for entire galaxies.
Stephen Hawking was a highly creative scientist, pushing past assumptions and playing with "what if" scenarios to take physics to new levels.
A future that continues to have increasingly fast computing depends on quantum physics – but research is showing that there are limits to how fast quantum computers can go.
Controversial new study challenges contemporary thinking about what the universe is made of.
Hawking proved that the Big Bang was physically possible.
Is dark energy just an illusion, as is often suggested? To resolve the dilemma, interpreting the basic principles of general relativity in a complex Universe may need a rethink.
Astronomers report the first ever measurement of light bending around a star other than our own.
These ripples in the very fabric of the universe were hypothesized by Einstein a century ago. Now scientists have detected them for the third time in a year and a half – ushering in a new era in astrophysics.
Colliding black holes to exploding spacecraft, 2016 was an incredible year for astrophysics.
From the discovery of gravitational waves, to the Pokémon Go phenomenon to the Census debacle, it's been a big year in science and technology.
Einstein's theories of relativity underpin our understanding of the universe, yet they're not taught in high school. How can we change that?
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Alan Duffy is a Friend of The Conversation.
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Professor of Astrophysics and Royal Society University Research Fellow, University of Hertfordshire
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