But one Ratchet and Clank speedrunner went the extra mile and bookended his run with an equally impressive Opera performance, as if talking for almost three hours straight wasn't enough.

Learn how to use a range of prefixes to form and spell words. Suffixes and how to use them Learn how to use a range of suffixes to change the meaning of words. Using suffixes to show tenses Learn ...

A wheel provided with suitably shaped teeth, receiving an intermittent circular motion from an oscillating or reciprocating member, is called a ratchet wheel. A simple form of ratchet mechanism is ...

An energy-efficient lesson for the kitchen that is still relevant 150 years later, and the automation of long-distance communication by telephone or text gathers pace, in our weekly dip into ...