When two black holes merge or two neutron stars collide, gravitational waves can be generated. They spread at the speed of ...
Bits of material levitating against gravity, a stream of water deflected by invisible means, sparks of light appearing out of thin air; with observations like those, it’s a wonder that the early ...
The scientific journal Nature wants to show people the nitty gritty of academic publishing. In a Monday editorial, the journal announced it would include peer review files with the papers it publishes ...