shape Hard Science Why the 4th Gravitational Wave Is a “New Window on the Universe” LIGO and Virgo reveal a gravitational wave was detected on two different continents. Here’s what that means and why it matters. Hard Science What Shape Is the Universe? Our universe is flat, geometrically. But what exactly does “flat” mean?
Hard Science Why the 4th Gravitational Wave Is a “New Window on the Universe” LIGO and Virgo reveal a gravitational wave was detected on two different continents. Here’s what that means and why it matters.
Hard Science What Shape Is the Universe? Our universe is flat, geometrically. But what exactly does “flat” mean?
