In English, many things are named after a particular country – but have you ever wondered what those things are called in those countries?
- Most bats emit sonar at ultrasonic frequencies around 20-60 kilohertz (humans hear up to 20 kHz), and this is the range at which hearing moths are most sensitive!
- By comparison, a typical AM radio station operates in the kilohertz range, or thousands of cycles per second.
- Another curious aspect to leopard seal vocalizations is their use of high-pitched clicks up to 165 kilohertz, a frequency far beyond the range of normal human hearing.
- Modern tubes approach that ideal by drawing power at such high frequencies - tens of kilohertz - that the x-ray output is steady apart from a ripple of a few percent.
- The sonar that will be used has a frequency of 170 kilohertz and is considered safe for the animals.
English has borrowed many of the following foreign expressions of parting, so you’ve probably encountered some of these ways to say goodbye in other languages.
Many words formed by the addition of the suffix –ster are now obsolete - which ones are due a resurgence?
As their breed names often attest, dogs are a truly international bunch. Let’s take a look at 12 different dog breed names and their backstories.