# Browse Physics

Valid search terms include: subject, keyword, author of article, author of highlighted article, article citation (e.g. Physics 3, 16 (2011))

21.

Synopsis

22.

Synopsis

23.

Synopsis

24.

Ultracold atoms trapped in optical lattices allow high-precision measurement of the gravitational constant.

25.

Synopsis

26.

Synopsis

27.

Synopsis

28.

Synopsis

29.

A three-dimensional version of gravity might lend itself to a quantum treatment.

30.

Synopsis

31.

Finding a quantum theory of gravity remains one of the great unsolved problems in modern physics. Two papers present a quantum gravity theory that, while making different assumptions than general relativity, still reproduces Einstein’s theory in certain limits.

32.

Synopsis