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Exploring Standing Waves – Using a Strobe to See the Pattern

Philip M Russell @philipmrussell.bsky.social · 49m

Microscopes aren’t just for one viewer anymore.
With digital cameras, we film live microscopic worlds for lessons in the lab and online — making the invisible visible.
Blog philipmrussell.blogspot.com/2025/10/unde...

Philip M Russell @philipmrussell.bsky.social · 3h

Standing waves revealed by strobe light.
Students freeze the motion of a vibrating string to measure harmonics and see resonance in action. hemelprivatetuition.blogspot.com/2025/10/expl...

Solving Real Problems with Simultaneous Equations

Philip M Russell @philipmrussell.bsky.social · 20h

Trying out the modified throttle on Tigress 8 Powerboat. Out with Sally, and it certainly was Wheeeee!

Philip M Russell @philipmrussell.bsky.social · 20h

Two lines, one solution.
Students use simultaneous equations to find where two cost models balance — maths for real decisions. hemelprivatetuition.blogspot.com/2025/10/solv...

How to Avoid Eco-Overwhelm (and Still Make a Difference)

Philip M Russell @philipmrussell.bsky.social · 1d

Feel like you’re not doing enough to save the planet?

Take a breath. You're not alone.

Blog: goinggreenpodcast.blogspot.com/2025/10/how-...

#GoingGreen #EcoAnxiety #Sustainability #ClimateAction #ProgressNotPerfection

How to Avoid Eco-Overwhelm (and Still Make a Difference) ( Because saving the planet shouldn’t cause burnout ) One minute you’re switch...

Archiving Footage – Building a Long-Term Video and Photographic Library

Philip M Russell @philipmrussell.bsky.social · 1d

Filming is only half the job.
Archiving, tagging, and backing up your footage builds a library you can reuse for lessons, research, and new projects. philipmrussell.blogspot.com/2025/10/arch...

Archiving Footage – Building a Long-Term Video and Photographic Library Every video shoot or photo session adds to an ever-growing archiv...

Electric Powerboating – How Long Does a Battery Last?

Philip M Russell @philipmrussell.bsky.social · 2d

How long does an electric powerboat battery really last?
We tested our 3kW Whaly over real river duties — not just theory.
Verdict? One charge gets you through a full club day… and back.
Read more: pmrsailing.blogspot.com/2025/10/elec...
#ElectricBoating #SustainableSailing #pmrsailing

Electric Powerboating – How Long Does a Battery Last? Real-world testing of battery range on the Whaly pmrsailing.uk blog One of the mo...

pmrsailing.blogspot.com

Philip M Russell @philipmrussell.bsky.social · 2d

Ditch the plastic bottles and soggy cotton pads.

Your bathroom can be a zero-waste wonderland.

Blog: goinggreenpodcast.blogspot.com/2025/10/goin...

#GoingGreen #SustainableLiving #EcoBathroom #PlasticFree #ZeroWasteHome

Going Green in the Bathroom: Shampoo Bars & Beyond

Going Green in the Bathroom: Shampoo Bars & Beyond ( Because plastic bottles shouldn’t outlive your hairdo ) Let’s face it — the bathro...

Eco Filmmaking – Minimising Waste on Set

Philip M Russell @philipmrussell.bsky.social · 2d

Filmmaking doesn’t have to leave a footprint.
Plan efficiently, reuse materials, power from solar, and make every shoot a little greener. philipmrussell.blogspot.com/2025/10/eco-...

Eco Filmmaking – Minimising Waste on Set Creating videos can be energy intensive, but it doesn’t have to be wasteful. At Philip M Russell...

Investigating Newton’s Second Law

Philip M Russell @philipmrussell.bsky.social · 2d

A ball launched sideways and one dropped from the same height hit the ground together.
Newton’s Second Law in action — gravity works equally on both hemelprivatetuition.blogspot.com/2025/10/inve...

Local Libraries: The Unsung Eco-Hero of Your Community

Philip M Russell @philipmrussell.bsky.social · 3d

A-Raters: Over 100 years old and still some of the fastest, most elegant boats on the Thames.
New blog looks at the A-Rater then and now — from Edwardian race days to carbon masts and modern club battles.
pmrsailing.uk

#ARater #ThamesSailing #pmrsailing

Philip M Russell @philipmrussell.bsky.social · 3d

The greenest building in town?

It’s probably your local library.

Shared books, borrowed tools, digital resources and free learning — all under one roof.

Blog: Local Libraries: goinggreenpodcast.blogspot.com/2025/10/loca...

#GoingGreen #LibrariesOfThings #EcoLiving #SustainableCommunities #Reuse

Local Libraries: The Unsung Eco-Hero of Your Community ( Because saving the planet sometimes starts with a library card ) In the age of...

Reducing Plastic in School Science Labs

Philip M Russell @philipmrussell.bsky.social · 3d

Greening the school lab starts small: reuse containers, switch to glassware, and rethink disposables.
Practical sustainability that teaches science and responsibility.
Blog philipmrussell.blogspot.com/2025/10/redu...

Reducing Plastic in School Science Labs Our Going Green Podcast and Blog explore ways to make everyday science more sustainable, and one...

Investigating Enzyme Inhibitors Using Catalase

Philip M Russell @philipmrussell.bsky.social · 3d

How do inhibitors affect enzymes? We use a @pascoscientific.bsky.social colorimeter to find outusing catalase, students test reaction rates with copper and lead ions, exploring enzyme control and inhibition. hemelprivatetuition.blogspot.com/2025/10/inve...

Adventure Upstream – When the Wind and Stream Collide

Philip M Russell @philipmrussell.bsky.social · 5d

When the wind blows one way and the stream pulls the other, sailing becomes a slow-motion strategy.
Read our latest upstream adventure — where the wind, the river, and the crew all had different ideas.
pmrsailing.blogspot.com/2025/10/adve...
#LearnToSail #RiverSailing #pmrsailing

Adventure Upstream – When the Wind and Stream Collide Sailing upstream on the Thames is a beautiful challenge — and a test of everything ...

pmrsailing.blogspot.com

Philip M Russell @philipmrussell.bsky.social · 5d

Throw it out? Nah. Stitch it up. Glue it down. Give it one more life.

Blog: goinggreenpodcast.blogspot.com/2025/10/make...

#GoingGreen #RepairCulture #MakeDoAndMend #SustainableLiving #FixItNotBinIt

Make Do and Mend: A Beginner’s Guide to Repair Culture

Make Do and Mend: A Beginner’s Guide to Repair Culture ( Because your socks deserve a second chance ) There was a time when a torn shir...

Composing Ambient Backgrounds for Science Videos

1

Philip M Russell @philipmrussell.bsky.social · 5d

The best soundtrack is one you don’t notice.
Composing ambient music for science videos keeps focus on learning while giving each lesson its own character.
Blog philipmrussell.blogspot.com/2025/10/comp...

Composing Ambient Backgrounds for Science Videos The best background music is often the kind you barely notice. In science videos, the so...

Logic Gates – Using Real Gates and Investigating Their Properties

Philip M Russell @philipmrussell.bsky.social · 5d

Logic meets electronics.
Students test AND, OR, and NOT gates with LEDs, linking Boolean logic to real digital circuits. hemelprivatetuition.blogspot.com/2025/10/logi...

Sailing Term Spotlight: The Kicker

Philip M Russell @philipmrussell.bsky.social · 6d

What does the kicker do (besides confuse new sailors)?
This small rope makes a big difference to your downwind speed and upwind control.
New blog: How to use the kicker properly
pmrsailing.blogspot.com/2025/10/sail...
#LearnToSail #SailingTips #pmrsailing

Sailing Term Spotlight: The Kicker What it does, why it matters, and how to adjust it pmrsailing.uk blog Among the mysterious spaghetti...

pmrsailing.blogspot.com

Philip M Russell @philipmrussell.bsky.social · 6d

Fast fashion is cheap — for you.
But the planet and garment workers are paying the real price.
Blog: goinggreenpodcast.blogspot.com/2025/10/why-...

#GoingGreen #SlowFashion #EcoLiving #SustainableStyle #FairFashion

Why Slow Fashion Is Always in Style

Why Slow Fashion Is Always in Style ( Because your clothes shouldn’t fall apart after three washes ) Fast fashion is like junk food for...

Filming Chemistry Safely – Getting the Shot Without the Spill

Philip M Russell @philipmrussell.bsky.social · 6d

Great chemistry footage needs planning, not luck.
Set up shields, remote cameras, and safe lighting — and you can capture the reaction without the risk.
Blog philipmrussell.blogspot.com/2025/10/film...

Filming Chemistry Safely – Getting the Shot Without the Spill Filming chemistry experiments is always exciting — but it’s also unpredict...

Testing for Ions – Flame Tests and Precipitation Reactions

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Philip M Russell @philipmrussell.bsky.social · 6d

Chemistry made visible: flame colours and precipitates reveal the ions within.
Students identify metals and non-metals through colour, reaction, and reasoning. hemelprivatetuition.blogspot.com/2025/10/test...

Sustainable Gifting: Presents That Won’t Cost the Earth

Philip M Russell @philipmrussell.bsky.social · 6d

12 sailors, 1 step ladder, and a splash.
What started as “fixing a jib line” turned into a club-wide operation involving hooks, chairs, and one unplanned dip in the river.
Full tale: pmrsailing.uk/Philips-Blog...
#SailingClubLife #DinghyDisasters #pmrsailing

Philip M Russell @philipmrussell.bsky.social · 7d

Thoughtful > Expensive

In a world of waste, sustainable gifting means presents that bring joy and do good.

Blog: goinggreenpodcast.blogspot.com/2025/10/sust...

#GoingGreen #SustainableGifts #EcoLiving #GreenChristmas #ZeroWaste

Sustainable Gifting: Presents That Won’t Cost the Earth ( Because landfill isn’t on anyone’s wish list ) Gifting can be joyful… until y...