515 search results
Water for life
Nature & Environment

Water for life

...sand grain (on a gently sloping beach), about 0.000 25 m across; (c) The size of one particle of clay, the main constituent of mud, about across (d) The average size of a hailstone, 0.0035 m across Answer (a) The starting point for quoting 0.000 000 0002 in scientific notation is 2.0 (the number between 1.0 and 9.9). The decimal point has to be moved ten places to the...
View course Water for life
Level 1: Introductory 15 hrs
Introduction to polymers
Science, Maths & Technology

Introduction to polymers

...cast in aluminium using established foundry practices. A well-made cast aluminium mould can be used to produce up to 10 000 injection mouldings in glass fibre reinforced nylon without unacceptable wear. Such a tool typically costs under £3000 compared with many times that cost for a hardened steel production tool. Moulds can alternatively be made out of low melting point...
View course Introduction to polymers
Level 3: Advanced 20 hrs
Nos Galan Gaeaf: y dathliad Cymreig traddodiadol sy’n cael ei fwrw i’r cysgod gan ddathliadau Halloween modern
History & The Arts

Nos Galan Gaeaf: y dathliad Cymreig traddodiadol sy’n cael ei fwrw i’r cysgod gan ddathliadau Halloween modern

...cast ynteu ceiniog”/“trick or treat”, yn y gobaith o dderbyn losin. Mewn geiriau eraill, bydd yr olygfa’n debyg iawn i honno a welir ar adeg Halloween yng ngweddill y DU. Ar bosteri sy’n hysbysebu digwyddiadau Halloween yng Nghymru, y cyfieithiad Cymraeg o’r gair Halloween yw Nos Galan Gaeaf. Cwyn gyffredin a geir yw bod arferion traddodiadol yr adeg hon o’r...
View article Nos Galan Gaeaf: y dathliad Cymreig traddodiadol sy’n cael ei fwrw i’r cysgod gan ddathliadau Halloween modern
Article 5 mins
Make a meadow, whatever the scale and the diversity of meadows
Nature & Environment

Make a meadow, whatever the scale and the diversity of meadows

...sand, just a few feet above the high tide level. They were traditionally fertilised with seaweed from the beach just a short distance away. On the Hebrides, they form parts of small landholdings called crofts, which have often been managed using traditional methods for centuries. [Photo of field with flowers] A coastal meadow from the Scottish islands in early summer....
View article Make a meadow, whatever the scale and the diversity of meadows
Article 10 mins
Diary of a Mars operations day
Science, Maths & Technology

Diary of a Mars operations day

...sand, and the rocks require close inspection. We discuss what we can see and where best to do our investigations. Those discussions are important because our resources are limited. We can pick one or two of those rocks for closer inspection, thus we spend some time discussing. We point out structures and colour changes to each other and develop a hierarchy of what is most...
View article Diary of a Mars operations day
Article 15 mins
Can the way research is reported play into sexist assumptions?
Society, Politics & Law

Can the way research is reported play into sexist assumptions?

...cast as a positive phenomenon that merited celebration. However, although this message of ‘equal but different’ explicitly invokes egalitarian principles, it is also consistent with what is known in psychology as ‘benevolent sexism’. In both the scientific paper and its popular commentary, the way in which skills were distributed between male and female brains fit...
View article Can the way research is reported play into sexist assumptions?
Article 10 mins
What does the US election mean for Europe?
Society, Politics & Law

What does the US election mean for Europe?

...cast asunder from an American commitment that has been resolute, indeed iron-clad, since 1945. Not surprisingly, that same Pew poll of Europeans revealed that 85% of those surveyed expressed a lack of confidence in Trump as President. It therefore isn’t surprising that many European leaders yearn for Clinton’s election. Jens Stoltenberg, NATO’s Secretary General,...
View article What does the US election mean for Europe?
Article 10 mins
The Rise of Museums
History & The Arts

The Rise of Museums

...cast-iron columns and glass roof was likened to a railway station and spawned imitators around the world. The London Science Museum has its roots in the Great Exhibition of 1851 when international displays of technology became popular as trade fairs and promotional displays. Increasingly recast as educational institutions, instructing the observer while at the same time...
View article The Rise of Museums
Article 10 mins