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Introduction to computational thinking
Science, Maths & Technology

Introduction to computational thinking

...solar system (see Figure 8). The purpose of such a model, known as an orrery, is to represent the position of the planets relative to each other over time. The invention of the orrery is usually attributed to George Graham (1673–1751). Graham worked on this with the support of the 4th Earl of Orrery, which explains the name. The tiny crank on the side of the central...
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Level 2: Intermediate 12 hrs
Three principles of a coaching approach
Money & Business

Three principles of a coaching approach

...energy, pace and mood. For example, if a client is slow paced, the coach may need to slow their pace to match that of the client. One additional benefit of paying attention to rapport is it helps the process of listening. By tuning into the client, the coach puts their attention on the client, which helps the listening process to begin. In the video examples of rapport,...
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Level 1: Introductory 2 hrs
Discovering chemistry Badge icon
Science, Maths & Technology

Discovering chemistry

...energy. As a result, an electron orbiting in this way would rapidly spiral into the nucleus as its electrical energy reduced. Clearly, this doesn’t happen, so electrons cannot really be simply orbiting the nucleus. Consequently this model didn’t remain in vogue for too long. By the 1920’s a branch of physics known as of quantum mechanics began to stamp its mark on...
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Level 1: Introductory 24 hrs
CLA – Hitchiner process
Science, Maths & Technology

CLA – Hitchiner process

...energy costs by 50%. Can use lower casting temperatures. Materials: CLA process has been applied to several alloy systems, these include: aluminium-based alloys nickel-based alloys stainless steels cobalt-based alloy for surgical implants. The CLV process is used for vacuum cast alloys, to reduce contamination by reactive elements such as nickel-, cobalt- and...
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Article 5 mins
Orbital forging
Science, Maths & Technology

Orbital forging

...Minimum practical forging thicknesses: conventional 5 mm orbital 2.5 mm Thickness tolerances on warm forging of steel at 700–800˚C are ±0.15 mm. Reduced oxide scale formation compared with hot forging applications. Orbital forging should produce 25% material savings and 50% reduced energy costs. See Also: Upset forging, Hot forging (open die) and Powder forging....
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Article 5 mins
Just six numbers
Science, Maths & Technology

Just six numbers

...energy from the sun keep the Earth warm, but throughout the history of our galaxy, all the atoms from which we are made have originated from the pristine hydrogen in stars, so we're quite literally the ashes of long dead stars, or, to put it another way less romantically, the nuclear waste of the fuel that made those stars shine. Martin says that when we look around at...
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Article 5 mins
Supporting learners to become agents for sustainability
Education & Development

Supporting learners to become agents for sustainability

...Energy, Obtain a Yield, Apply Self-Regulation & Accept Feedback, Use & Value Renewable Resources, Produce Zero Waste, Design from Patterns to Details, Integrate Rather than Segregate, Use Small & Slow Solutions, Use & Value Diversity, Use Edges & Value the Marginal and Creatively Use & Respond to Change. Promoting transformative change can depend on the learner and...
View video Supporting learners to become agents for sustainability
Video 10 mins
Automated, satellite-based volcano monitoring
Nature & Environment

Automated, satellite-based volcano monitoring

...energy – spectral emissivity is seldom measured and is mostly assumed or estimated. Nonetheless, it is a critical variable in space-borne volcano monitoring due to its close relationship with Land Surface Temperature (LST) values and the inherent impact on the estimate of mass eruption rates. To fill this gap in knowledge, we designed a multi-stage experiment to measure...
View article Automated, satellite-based volcano monitoring
Article 5 mins