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Social psychology and politics
Health, Sports & Psychology

Social psychology and politics

...c) Political issues have social and psychological consequences (d) All of the above a. (a) Social psychology can provide important insight into how people engage with the political b. (b) Social psychological concepts are important for understanding political concepts c. (c) Political issues have social and psychological consequences d. (d) All of the above The correct...
View course Social psychology and politics
Level 2: Intermediate 8 hrs
Squares, roots and powers
Science, Maths & Technology

Squares, roots and powers

...c) The slabs are 0.75 m square. What area will the patio be? Answer (a) Since the patio is square and it is 11 slabs wide, it must be 11 slabs long too, so there are 11 rows of slabs. (b) That means that altogether she will need 11 × 11, or 112 = 121 slabs. (c) There are several ways of finding the area of the patio. One method is to say that each slab is 0.75 m by 0.75...
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Level 1: Introductory 5 hrs
The frozen planet
Nature & Environment

The frozen planet

...C between them. Which of the two lines in Figure 2 represents the mean atmospheric surface temperature from Alert and which line represents the temperature at the South Pole? Alert station is in the Northern Hemisphere which should have the warmest temperatures in June, July and August – so the black line (circles) represents measurements from Alert. Therefore, the red...
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Level 1: Introductory 7 hrs
Compression moulding
Science, Maths & Technology

Compression moulding

...C using an oven or high-frequency induction heater. The mould is heated to 140–170˚C and the temperature may increase further due to the exothermic nature of cross-linking. A compressive pressure of 14–40 MPa is applied to the charge with a top male punch at shear rates of 1–10 s-1. This allows the material to flow into the required shape. Compressive moulding is a...
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Article 5 mins
Herodotus 'The Histories': a timeline
History & The Arts

Herodotus 'The Histories': a timeline

...c.680 - 547 BC in Lydia, form the background for Book 1: Gyges, Ardys, Sadyattes II, Alyattes and finally, his son Croesus who we look at in some detail. It has been argued that generational calculation was a standard way for early historians to come up with dates, and many students find this lack of a clear chronology very frustrating. You may be interested in looking at...
View activity Herodotus 'The Histories': a timeline
Activity 5 mins
Data and processes in computing
Digital & Computing

Data and processes in computing

...C’, ‘’, ‘C’, ‘O’, ‘U’, ‘R’, ‘G’, ‘E’, ‘T’, ‘T’, ‘E’, ‘S’, ‘’, ‘0’, ‘.’, ‘4’, ‘1’, ‘k’, ‘g’, ‘’, ‘@’, ‘’,‘£’, ‘3’, ‘.’, ‘4’ ‘9’, ‘/’, ‘k’, ‘g’]. Imagine you are at the fifth till in the supermarket, and the data that constitutes your transaction is...
View course Data and processes in computing
Level 2: Intermediate 14 hrs
Injection moulding
Science, Maths & Technology

Injection moulding

...C) Freeze-off temperature TF (°C) Freeze-off temperature TE (°C) Demoulding temperature TD (°C) LDPE 220 90 50 60 PVC 170 140 50 110 PP 250 135 50 105 POM 220 135 50 105 PS 230 130 50 100 ABS 230 140 50 110 PMMA 260 160 50 130 PPO 280 180 50 150 PC 310 200 50 170 Nylon 66 290 240 50 210 PES 360 250 70 220 PEEK 390 310 90 280 Design: Features such as moulded-in screw...
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Article 5 mins
What does scientific evidence tell us about making our homes energy efficient?
Money & Business

What does scientific evidence tell us about making our homes energy efficient?

...C to ensure an energy efficient and comfortable home. However, work by my colleagues and I found older thermostats can easily vary by up to 2°C, meaning we could actually be heating our homes to anything between 19°C and 23°C. If we consider the Energy Savings Trust’s advice that reducing home temperature by 1°C could save 10% on heating bills, then this discrepancy...
View article What does scientific evidence tell us about making our homes energy efficient?
Article 5 mins