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Building a crystal radio set
Science, Maths & Technology

Building a crystal radio set

...changing taps on the coil. In which case, taps every five turns would be useful. Detector The purpose of the detector is to recover the audio signal (waveform) from the radio frequency signal. Early crystal sets used an adjustable ‘cats whisker’ detector, but a germanium or Schottky diode is now used, examples are OA90, OA91, BAT81, BAT85, 1N34, 1N5711. Any one of...
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Article 10 mins
From boom to bust: the AI winter
Digital & Computing

From boom to bust: the AI winter

...change the world. Today, neural nets are used for an incredible range of tasks. They identify images, speech and music, they translate between languages, recognise handwriting and identify trends in social media feeds. Neural nets buy and sell stocks and shares, identify gene sequences that lead to disease, drive vehicles, filter spam email, monitor computers for...
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Article 5 mins
Opening up history: religion and politics in the Elizabethan era
History & The Arts

Opening up history: religion and politics in the Elizabethan era

...change on early modern politics, despite not being especially interested in war or at all religious! Ultimately, since I was studying for my first university degree, Elizabethan England is simply the period and place where I feel I belong. 4. What is your research project about? The book is in the form of a biography of a political figure, one of the most traditional...
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Article 5 mins
Closing the awarding gap: practical actions to support Black and minority ethnic students
Education & Development

Closing the awarding gap: practical actions to support Black and minority ethnic students

...changes made by tutors, module teams (and departmental and faculty management teams) can make a huge difference. Practical actions from recent research Below is an accessible, thematic summary of recommendations from selected studies. Each theme contains the core steps research shows can help close awarding gaps. 1. Make expectations clear – especially for unfamiliar...
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Article 5 mins
Saint Patrick and modern narratives of Irish identity
OpenLearn Ireland

Saint Patrick and modern narratives of Irish identity

...change and even greater instability. References Population and migration estimates, April 2024 (2024) Key Findings Population and Migration Estimates, April 2024 - Central Statistics Office. Available at: https://www.cso.ie/en/releasesandpublications/ep/p-pme/populationandmigrationestimatesapril2024/keyfindings/ (Accessed: 27 April 2026). Reimagining identity and...
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Article 10 mins
The ice-covered ocean worlds of the outer Solar System
Science, Maths & Technology

The ice-covered ocean worlds of the outer Solar System

...change. Two exploration missions are close to launch: NASA’s Europa Clipper and the European Space Agency’s JUpiter Icy Moons Explorer; JUICE for short. JUICE is planned to launch in 2022, and Europa Clipper in 2024. They will both take around seven years to reach Jupiter. These missions will study Europa and its neighbours Ganymede and Callisto, both of which might...
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Article 10 mins
Thrill seeking and risk taking - what has made extreme sports into a worldwide phenomenon?
Health, Sports & Psychology

Thrill seeking and risk taking - what has made extreme sports into a worldwide phenomenon?

...changing.” These findings present a different interpretation to participation which perhaps relates more closely to a desire to escape the confines and restriction of current society. Participation can facilitate more positive psychological experiences and allow people to experience freedom and re-connect with nature (Brymer and Schweitzer, 2013). This need for freedom...
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Article 5 mins
The science behind why we drink alcohol
Health, Sports & Psychology

The science behind why we drink alcohol

...is thought that this effect may not come from changes in the dilation of blood vessels but may originate in the brain itself. [The Conversation] All in all, alcohol has multiple effects on your mind and brain. If you do decide to have a drink, for whatever reason, do so with knowledge. This article was originally published on The Conversation . Read the original article ....
View article The science behind why we drink alcohol
Article 5 mins