The Langlands programme has inspired and befuddled mathematicians for more than 50 years. A major advance has now opened up ...

Researchers have cracked a fundamental optical challenge: how to control both angle and wavelength of light independently—a ...

13) Deflections II: Conjugate-beam method; example; principle of virtual works; example. 14) Indeterminate (hyperstatic) structures – force method: Introduction; advantages and disadvantages of ...