Question

Physics developed techniques of achieving very low temperatures which development of new branch called ​

Answer 1

Explanation:

As for physics , Poland has achieved especially high level in theoretical physics , Leopold Infeld who has died recently , Albert .In 1952 Marian Danysz and Jerzy Pniewski discovered a new type of atomic nucleus , the so- called hyper - nucleus . The discovery originated a new branch of elementary particles physics now ra . pidly developing in Poland and in other Both fields of research are of tremendous importance for the development of electronics , low temperatures technique