September 16, 2015

Researchers have shown that two photons, seen here as waves (right and left), can connect a short distance apart. Under certain conditions, these photons can create a state similar to a diatomic molecule, a state shown by the shape of the blue dumbbell in the center of the movement. Figure: NIST

Is it possible to make molecules composed of light?

Illustration of the meteorite impact that caused the unique double crater in Sweden. Credit: Don Dixon/Erik Sturkell/University of Gothenburg

For the first time, a double impact crater was found on Earth

Automatic car park in Walsemburg, Germany. Photo: DooMMeeR, Wikipedia

Robot or bus?