To impress others on birthday parties.
The kids are to blame.
Some stunning photos.
Multifunctional pets are handy.
Make photos like a pro!
A blue glow due to Cherenkov radiation.
Velcro in a way you have never seen before.
A great spectacle in the sky.
Sailing around the earth on solar energy.
Staying over in space in 2016.
Or: quantum levitation.