3,641 search results

Building a crystal radio set
Science, Maths & Technology

Building a crystal radio set

...Open University's Science courses and qualifications A crystal set is the most basic type of radio receiver. It is capable of receiving AM (amplitude modulated) transmissions, which are generally found on the long, medium and short wave bands. The magic of the crystal set is that no power source is required; a tiny fraction of the transmitted signal provides sufficient...
Why is discovering gravitational waves from a neutron star collision a big deal?
Science, Maths & Technology

Why is discovering gravitational waves from a neutron star collision a big deal?

...open a completely new “multi-messenger” window on the universe, with many further discoveries to be made and cosmic mysteries to be solved. For example, we have already used our observations to make the first ever joint measurement of the expansion rate of the universe, using both gravitational waves and light. Our paper will appear in Nature on October 16. [The...
Sub-concussions in women’s football: what can be done to protect the brains of footballers?
Health, Sports & Psychology

Sub-concussions in women’s football: what can be done to protect the brains of footballers?

...Open University's Sport and Fitness courses and qualifications. As we look forward to enjoying the action of the 2023 World Cup there is a growing awareness that there are significant differences in how women’s and men’s bodies respond in sport. In particular, after ACL injuries to England players Beth Mead and Leah Williamson, we are aware that footballers in the...
‘Shut up and play’: a brief history of athlete activism
Health, Sports & Psychology

‘Shut up and play’: a brief history of athlete activism

...Open Learn course, The football World Cup: where sport and politics collide). Convincing athlete activism dispels the myth that sport and politics should not interact, fostering hope that injustices can be addressed to create a more equal and fair society. Many are inspired by athletes who are involved in activism because of their empowered commitment to change, despite...
'A Rose By Any Other Name...': The Importance of Words when it comes to Race
Education & Development

'A Rose By Any Other Name...': The Importance of Words when it comes to Race

...Open University's Social Sciences courses and qualifications. 1969 was the year that a human first landed on the moon. It was also the year that I first saw a Black person on the telly. Both events were equally stellar for me. I was allowed to stay up late, even though it was a school night (I was only seven), to watch the grainy but miraculous pictures on our small black...
Witches in popular culture
History & The Arts

Witches in popular culture

...Open University's History courses and qualifications [A memorial plaque to the Devon Witches, the last women to be executed for "witchcraft" in England] A memorial to the last women to be killed for 'witchcraft' in the UK - but 300 years later, 'witch' is still a term of abuse thrown at women You would have thought that Western society might have grown out of the habit of...
Doug Allan - Earth in Vision
Nature & Environment

Doug Allan - Earth in Vision

...educational purposes or publicity purposes for certain organisations that I deem worthy. That’s a very subjective thing, but at least, because I own the copyright I can decide who uses it and at what rate. I think you have to be very careful about how you let it out there, at what resolution you send it, because once it goes out into the web to someone else, you can...
Can we get to a world without suicide?
Health, Sports & Psychology

Can we get to a world without suicide?

...education, despite my devotion as a father… So you see this is coming from an incredible sense of guilt. I suppose what I’m trying to do is save my boy in retrospect. I stood next to his coffin in the church. It was packed with people – a shattered community – and I made him a public promise. I said that I would investigate what had happened to him and that I...