The physics we’re exploring
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Explore the constants, forces and cosmic ingredients that shape our universe, and the possible simulations that could bring their effects to life.
The universe is governed by a small number of fundamental constants. Their values determine how matter behaves, how stars form, how chemistry works, and ultimately whether life like ours can exist.
The universe is governed by a small number of fundamental constants. Their values determine how matter behaves, how stars form, how chemistry works, and ultimately whether life like ours can exist.
SIMpossible explores what would happen if those values were different.
SIMpossible explores what would happen if those values were different.
We're building a series of simulations that explore the impact of changing these constants. By enabling people to explore them for themselves, we hope to develop an intuitive understanding of the role each one plays in shaping the universe around us.
We're building a series of simulations that explore the impact of changing these constants. By enabling people to explore them for themselves, we hope to develop an intuitive understanding of the role each one plays in shaping the universe around us.
What if you could jump six times higher?
Gravity determines how strongly masses attract one another, affecting everything from the weight we feel on Earth to the formation of stars and galaxies.
What if you could jump six times higher?
Gravity determines how strongly masses attract one another, affecting everything from the weight we feel on Earth to the formation of stars and galaxies.
What if the size and chemistry of everything around us changed?
The electron's mass influences the size of atoms, the behaviour of chemistry and the stability of matter itself.
What if the size and chemistry of everything around us changed?
The electron's mass influences the size of atoms, the behaviour of chemistry and the stability of matter itself.
What if atoms held onto their electrons much more tightly?
The strength of electric charge governs how electrons and nuclei interact, affecting chemistry, materials and the forces that hold atoms together.
What if atoms held onto their electrons much more tightly?
The strength of electric charge governs how electrons and nuclei interact, affecting chemistry, materials and the forces that hold atoms together.
What if stars could no longer fuse atoms together?
The balance between gravity, electromagnetism and the nuclear forces determines whether stable atoms, stars and complex matter can exist.
What if stars could no longer fuse atoms together?
The balance between gravity, electromagnetism and the nuclear forces determines whether stable atoms, stars and complex matter can exist.
What if you heard thunder almost as soon as you saw the lightning?
The speed of sound determines how quickly vibrations travel through materials such as air, water and solids. Changing it could alter how we communicate, experience music, perceive distance and interact with the world around us.
What if you heard thunder almost as soon as you saw the lightning?
The speed of sound determines how quickly vibrations travel through materials such as air, water and solids. Changing it could alter how we communicate, experience music, perceive distance and interact with the world around us.
What if the universe began with a different recipe?
The cosmic microwave background preserves a record of the balance of ordinary matter, dark matter and radiation in the early universe. By changing that balance, we can explore how a different cosmic composition would alter the oldest light we can observe.
What if the universe began with a different recipe?
The cosmic microwave background preserves a record of the balance of ordinary matter, dark matter and radiation in the early universe. By changing that balance, we can explore how a different cosmic composition would alter the oldest light we can observe.
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