Q. Nebraska’s Sand Hills, where a new type of quasi-crystal was discovered, is located in which country?
Answer: USA
Notes: Quasicrystal is a substance that has atoms orderly arranged like a crystal but its atomic structure is more complex and does not repeat periodically in all directions. This unique complex pattern makes it different from a normal crystal. Recently, a new type of quasicrystal was discovered in the north central Nebraska’s Sand Hills in the USA.  It had 12-fold symmetry. It may have been created during an accidental electrical discharge because of a downed power line or a lightning strike.