GIGGAG decided to give some clarity to these mysterious things.
The first flight recorders were black and rectangular. Because of their mystique: their contents remain secret for almost everyone. The first recorders used to get covered in black soot after a plane crashed.
To do that, you need to prepare a certain solution (you can do it at home — see the instructions here). The DNA will turn into threadlike strands that can be wound around a skewer or dried into a fibrous substance like the one in the photo.
In fact, they resembled mammoths very closely, and the layman could easily confuse these two mammals.
This is quite an interesting place: a piece of land with an area of only 2.6 square miles (6.8 sq km) where you can speak English, pay in pounds, and see Africa beyond the Strait of Gibraltar. Gibraltar is also the only place in Europe where monkeys live in the wild.
However, since 2011, the company Casascius Bitcoin Mint has been issuing "cash bitcoins." The coins bear an address and a key hidden under a hologram.
These tokens and cards are used for cash payments. They are also an object of keen numismatic interest.
To put it crudely, the collider is a 17 mile (27 km) long closed pipe where elementary particles are accelerated and collided to see them decay into even smaller fragments.
Preview photo credit CallMeKudu/reddit, pedsovet/Valery Chernukhin