Упр.5 Is physics difficult? ГДЗ Enjoy English 11 класс

Read the following quotations. What branches of physics from Ex. 4 are they connected with? Whom do these two quotations belong to?

• You see, wire telegraph is a kind of a very, very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this? And radio operates exactly the same way: you send signals here, they receive them there. The only difference is that there is no cat.
• Put your hand on a hot stove for a minute, and it seems like an hour. Sit with a pretty girl for an hour, and it seems like a minute. That’s relativity.