518 search results
Understanding science: what we cannot know Badge icon
Science, Maths & Technology

Understanding science: what we cannot know

...cast at different latitudes. Around 400 years later, Claudius Ptolemy consolidated the prevailing picture of the universe with the Earth at the centre, and the Sun and planets rotating around it every 24 hours. He also estimated the distance of the Sun as 1210 times the radius of the Earth. This geocentric view remained unchallenged for 1400 years, although Muslim...
View course Understanding science: what we cannot know
Level 1: Introductory 24 hrs
Can renewable energy sources power the world? Badge icon
Science, Maths & Technology

Can renewable energy sources power the world?

...casting of molten polycrystalline silicon into cube-shaped ingots, which are then cut into thin, square wafers and fabricated into complete cells in the same way as monocrystalline cells. Polycrystalline PV cells are easier and cheaper to manufacture than their monocrystalline counterparts, but are less efficient. Figure 3 The overall process of monocrystalline silicon...
View course Can renewable energy sources power the world?
Level 1: Introductory 24 hrs
A freelance career in the creative arts Badge icon
History & The Arts

A freelance career in the creative arts

...cast.] Taxes As a sole trader, your main taxes are income tax, which you’ve already looked at in Section 2, and National Insurance contributions (NICs). There are two categories of NIC which apply when your income exceeds a certain level: Class 2, currently payable at a weekly rate of £3, and Class 4, payable as a percentage of your profits. Both will be calculated and...
View course A freelance career in the creative arts
Level 1: Introductory 24 hrs
Exploring the history of prisoner education Badge icon
History & The Arts

Exploring the history of prisoner education

...casting simple money accounts, and mental calculation of small money sums. Prisoners aged 40 or above should not receive instruction, except in special cases, recommended by the chaplain, and approved by the governor. Prisoners identified by the chaplain as having no capacity for instruction shall be excluded. Prisoners who are idle shall be temporarily excluded....
View course Exploring the history of prisoner education
Level 1: Introductory 24 hrs
Diversity and inclusion in the workplace Badge icon
Money & Business

Diversity and inclusion in the workplace

...cast them as unreliable narrators of their own lives.’ Morris (2020) provides some classic examples: a.where a person of colour describes a racist interaction, only to have it immediately questioned. ‘Are you sure that’s what it was about?’, ‘Was it definitely about skin colour though?’, ‘But I don’t think that was about racism.’ b.denying the existence...
View course Diversity and inclusion in the workplace
Level 1: Introductory 24 hrs
Forensic psychology Badge icon
Health, Sports & Psychology

Forensic psychology

...casts doubt on such a simple relationship between arousal and eyewitness memory. For example in a robbery in Canada, a thief entered a gun shop, tied up the owner and took money and guns. The owner freed himself, collected a revolver and left the shop to get the licence number of the thief’s car. This led to a confrontation: standing six feet away, the thief fired two...
View course Forensic psychology
Level 1: Introductory 24 hrs