What is knowledge? How does it differ from mere belief? Do you need to be able to justify a claim in order to count as knowing it? How can we know that the outer world is real and not a dream? Questions like these are ancient ones, and the branch of philosophy dedicated to answering them - epistemology - has been active for thousands of years. In this thought-provoking Very Short Introductio…
In many countries, policies regarding reduction of unwanted catch anddiscards are crafted in response to concerns regarding accountability, conservation,and waste as well as scientific needs to fully account for all sources offishingmortality. It is important to note, however, that unwanted catch is minimal andmost, or all, of the catch has value in somefisheries. Utilisation rates are very hig…
In June 1947, a group of nuclear scientists from the former Manhattan Projectlaunched theBulletin of the Atomic Scientists, a magazine that monitors newdevelopments in the life sciences and technology that could inflict irrevocableharm to humanity. That first issue had a simple image on its cover, a clock with itshands set at 7 min to midnight, that was the Bulletin’s visual metaphor to warn …
The consequences of material fatigue are some of the main causes of damage in load-bearingstructures. Thisappliestoapplicationsinmechanicalengineering, construction,the offshore industry and numerous other fields. In order to counter these problems, newmanufacturing processes are continuously being tested and new materials and joiningmethods are being developed in order to generate more powerfu…