Welcome to Science Reader!
Welcome to Science Reader!
Roger Penrose
Andromeda Paradox: When "Now" Depends on Who Is Walking
The Andromeda Paradox is a thought experiment showing that two observers moving at different velocities disagree about what is happening "now" at distant...
Penrose on Witten's Cosmological Constant Problem and Feynman's Hotel Detective Work
Roger Penrose recalls how Edward Witten sought his approval for a negative cosmological constant, and how Richard Feynman solved a Cold War hotel...
Why Physicists Struggle to Kill the Cyclic Universe
Could our universe's expansion be a one-way ticket, defying hopes of cosmic recycling?
Penrose: Quantum Mechanics Is Missing Something, And It Could Be Consciousness
Nobel laureate Roger Penrose argues quantum mechanics is incomplete, with consciousness possibly emerging from physics we haven't yet discovered.
Penrose: AI will never be conscious
Nobel laureate Roger Penrose argues AI cannot achieve consciousness because understanding transcends computation.
The Andromeda Paradox Shows That "Now" Is a Local Illusion
Is the future already written? Physicist Sabine Hossenfelder tackles the mind-bending Andromeda Paradox that challenges our understanding of time.
The Ring That Shouldn't Exist
Large scale structure in the universe keeps breaking the rules. The Big Ring, a 1.3-billion-light-year formation, is one of seven structures that challenge...
