Abstract: A method for determining at least one property of magnetic matter includes: applying a magnetic field to magnetic matter; directing first light on the magnetic matter at a first set of incident angles; receiving a first set of signatures associated with the first light scattered from the magnetic matter; varying orientation of the magnetic matter with respect to the magnetic field; directing second light on the magnetic matter at a second set of incident angles; receiving a second set of signatures associated with the second light scattered from the magnetic matter; determining, by processing the first set and the second set of signatures according to a dispersion relation, at least one property of the magnetic matter.

Abstract: The invention relates to a method, and associated system, of determining contextually relevant advertisements to serve to a web page, the method comprising steps of providing a content database of content associated with web pages; storing keywords having bids associated therewith, the keywords being associated with advertisements; storing a plurality of advertisements associated with different keywords and/or advertisement-keyword combinations; analysing a web page and extracting prominent terms therefrom; comparing each extracted prominent term with keywords stored in the keyword database and/or advertisement-keyword combinations to determine and store a relevance score for each identified keyword; searching all content stored in the content database for each identified keyword having active bids, assigning and storing further relevance scores to identified keyword respectively in terms of a relevance to the content stored in the content database; and using the stored relevance scores for the identified key

Abstract: The invention relates to an online advertising system comprising an activity determining module configured to determine, via a channel setup module, browsing activity on a web page comprising the channel setup module; a content database storing content associated with a plurality of web pages comprising channel setup modules; and an advertising server configured, at each determination of browsing activity on the web page, to determine whether recent content from the web page is substantially stored in the content database, wherein if the recent content from the web page is substantially stored in the content database, the advertising server is configured to serve an advertisement to the web page. The advertisement served advantageously selected after operation of a forward matching module and a reverse matching module to that the advertisement served is contextually relevant to the web page. The invention also relates to a method of operating the online advertising system.

Abstract: A drive mechanism for a hole punch includes a frame and a lever having a first end and a second end. The lever is pivotally coupled to the frame at a pivot point disposed intermediate the first and second end thereof. The frame includes a lever engaging portion for engaging with a frame engaging portion disposed at the second end of the lever, such that as the first end of lever is pivoted about the pivot point, the frame engaging portion is arranged to move along the lever engaging portion to cause the pivot point to move with respect to the frame.