Evergreens Welcome Abingdon Fire Service

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The Abingdon Fire Service dropped in on the Evergreen Club this Monday to give a talk on fire safety at home. The Evergreens is a social group for older members of the community that meet at Trinity Church, Abingdon. Founded in 1980, they’ve been going for 45 years and are now led by Tricia — pictured between the two firefighters who gave the talk.

Their fire engine was parked outside to give a sense of drama to the occassion.

Members found the talk both entertaining and practical. Key reminders included: have a smoke alarm on every floor, test them regularly, replace batteries as soon as they beep, and agree an escape plan with a meeting point. That last tip can save firefighters from rushing into a house looking for someone who’s already safely in the garden.

For more advice, visit Oxfordshire Fire and Rescue’s home safety page
https://www.oxfordshire.gov.uk/fire-and-community-safety/community-safety/safety-home — or invite them to speak to your club. Just be aware they may have to dash off if an emergency call comes in.

Abingdon Flower Club displays last weekend

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Last weekend in Abingdon was a mix of old and new, of history and creativity. Among the creativity were flower displays.

Abingdon Flower Club had floral displays across some of Abingdon’s open venues. Their arrangements could be seen in the Roysse Room at the Guildhall, under the County Hall, in Unit 25 on Bury Street among others.

On the Market Place, members invited passers-by to make hats decorated with flowers.

Abingdon Flower Club marked their 65th anniversary earlier this year. They have more than 60 members and meet on the first Tuesday of each month (except January) at the Northcourt Centre, where members take part in demonstrations, flower arranging, and social time together.

60 years of fusion research at Culham

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During Heritage Open Weekend there was an exhibition upstairs in Unit 25 Bury Street about 60 years of fusion research at Culham, near Abingdon. This is my simplified understanding …

In the early 1960s the UK Atomic Energy Authority put all its fusion research on the site at Culham. It opened in 1965 with scientists trying out different ideas to make fusion work.

Nuclear fusion is the process that powers the Sun. It works by heating and forcing together atoms so they fuse into a heavier atoms, releasing energy. To make fusion happen on Earth, the fuel must be heated to extremely high temperatures so that it becomes a state of matter called plasma. Plasma is like a gas whose atoms have been split into charged particles. Because plasma is charged, it can be held and shaped by magnetic fields which keep it away from walls long enough for fusion to happen.

In the 1970s, experiments in the USSR showed that a doughnut-shaped magnetic machine called a tokamak could hold very hot plasma better than other designs. Culham scientists built equipment to test and check these results.

In the 1980s, Culham was chosen for Europe’s biggest fusion experiment: the Joint European Torus (JET). Work started in 1978 and the first plasma was formed in 1983.

In the 1990s, Culham scientists developed a more compact form of tokamak, called the spherical tokamak. Their test device, START, ran from 1991 to 1998, and showed that this shape gave better performance for a smaller size.

In the 2000s, Culham scientists built MAST (Mega Amp Spherical Tokamak) – a bigger spherical tokamak machine. That machine, and its later upgrade were used to find out how to handle extreme heat and control plasma.

In the 2010s–2020s, JET broke records. In 2022 it produced 59 megajoules of fusion energy in 5 seconds using a fuel mix of deuterium-tritium (two types of hydrogen). They fuse to form helium and release energy.

JET ended experimentation in December 2023 and is now being decommissioned.

Meanwhile the UK is planning its first prototype fusion power station, STEP (Spherical Tokamak for Energy Production), to be built at West Burton, Nottinghamshire, a former coal-fired power station. Meanwhile, ITER, a European tokamak reactor is being built in France. Both are based on the research done and still being done at Culham.

Ride and Stride: Pedalling for Oxfordshire’s Historic Churches

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Yesterday was also Ride and Stride, when people cycle, walk, or use mobility scooters to visit churches across Oxfordshire for sponsorship. The money raised is shared equally between the participant’s own church and the Oxfordshire Historic Churches Trust, which funds repairs to historic buildings.

Among those taking part were this group, who visited Trinity, on an unusual three-part tandem supplied by the charity Charlotte’s Tandems. This charity lends tandems free of charge to people who cannot ride safely on their own. It is named after Charlotte, who has severe autism, is non-verbal and experiences challenging behaviour. Cycling — first on tag-along bikes and later on a tandem — had a very positive impact on her life.