Sunday, 22 March 2026

Taxi Vs Train Chilterns Railway

I gathered some prices for train tickets from high Wycombe to Marylebone (50km)  and compared it to Taxi tarrifs. 
Once again I found it was cheaper by train. It gets close when groups are considered. 
The results were a bit closer than the ones to Southend from Barking, the distance is the same (50 km). Barking to Southend report

In this model the ticket of the train drops dramatically when there are 3 or more adults. (This is without rail cards), just a group ticket. It drops down to £9.10. In this model only one way is considered. 

The cost per person also drops on Uber taxi as the passengers increase up to 6 passengers at  £15.33 per person. (You need UberX for more than 4 passengers) That is tarrif b on the chart. 

Six passenders by train pay £9.10 each. 

A group of 6 passengers  on a  Uber taxi pay roughly £6.10 more than if they went by train. If they had rail cards and a return tickets the gap would even get bigger. 

A group travelling 50 km on the Chiltern line pay roughly £3 more for the same distance on the c2c line. I'm not sure why; perhaps more of the C2c line is subsidised while it is in London. I also noticed lines that use diesel trains are slightly more expensive than electric ones. Perhaps the tracks needs to be replaced less often because the trains are lighter and the trains cost less to maintain because they use electric motors. 

It could also be that line itself has more passengers so it can charge less money and still break even with their costs. I can only speculate at this stage. 

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Friday, 20 March 2026

Half and Half

The worlds Tallest Mountain, mount Everest occupies two countries. The north side of mount Everest is in China in the region of Tibet. The South side of mount Everest is in Nepal in the Koshi Province. koshi means river in Nepal. 
The South side of Mount Everest in Nepal has the most frozen bodies: just in case you were wondering. 

If you ascend the western or eastern flank of the mountain, it is possible to climb a mountain in two countries at the same time. 

When you stand on the top of the mountain, you would be standing in china and Nepal if you feet were aligned with the border line. 

Wednesday, 18 March 2026

Build Virtual Circuits

Have you ever wondered if there is a website that lets you make your own circuits and virtually simulate a current flowing through them. There is one. 


On the site you get existing projects and you can modify them or you can make your own from scratch using a virtual breadboard and standard electronic parts. 

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Sunday, 15 March 2026

Nyctinasty and Planter Fasciitis

Daisies and many other common flowers often close their petals at night. This is action is known as Nyctinasty; tissues at the base of the flower petal absorb water and swell up, the swelling puts pressure on the base of the petal and pushes it shut. 


It is thought they do this to keep condensation off the flower parts and prevent frost damage. It also helps keep nuisance insects off the flower at night. It must be amazing to be a small mite living on a daisy flower and see the flower close and open around you. 

Have you ever felt a feeling of pain in the heel of your foot as you take your first steps that fades away. Is the pain usually only in one foot? The chances are you have Planter Fasciitis. The Planter Fascia tissue that connects your heel to your toes can become swollen and push back into the nerve fibres inside your heel tendons. 

It's not a serious condition but it can cause a lot of pain and discomfort. The best way to treat the condition is to do foot stretches and to lose weight. Finding more comfortable shoes can also cause a rapid improvement. 

The cause of the condition usually  stems from the calf muscles in the leg pulling your Achilles tendon for prolonged periods of time causing tightness in the arch of the foot. 

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Saturday, 14 March 2026

Taxi Vs Train

Through my own investigations I can confirm that is is now cheaper to take a train 50 km from Barking in London to Southend Central by the coast in Britain than by taxi
With an Uber Taxi, it gets cheaper per person as the passengers increase up to 4 passengers, then the price goes up because you need a more expensive 6 seater Uber. But the train is cheaper in every metric. 
With 3 or more Adults, each person is paying just £6.05 because of Group save supplied by the c2c train line. 

With 4 passengers, an Uber ride from barking station costs just £15 per person because the taxi costs £60 regardless of the number of passengers. However, one passenger is only paying £9.10 on C2C so it is cheaper by train in every way. If your just one passenger or 6, it is cheaper than the cheapest configuration on Uber taxi although is gets close with 4 passengers. 

The Uber is slightly more convenient because you can chose the pickup and dropoff point and with 4 passengers, you're only paying £8.95 more than the train. 

The train is cheaper still when you add return tickets and rail cards. 


Thursday, 12 March 2026

Commander Keen game

When the Mario Brothers Game was released for the '80s Nintendo (NES),  it was thought the hardware on most PC home computers could never compete with the smooth side scrolling of the game system because the graphics processor was so advanced. 

However, The ID software team that later made Duke Nukem found a way around the hardware limitations. They used a technique called double buffering, they were aware that the VGA graphics controller keeps two copies of the screen so they programmed the game to draw the graphics changes of the hidden copy of the screen then switch the panes around when the rendering is complete at the end of each frame cycle. They also programmed the game to only render the parts of the screen that had changed, like a brick was that was half way off the screen. 
When commander keen was released, people were amazed that is was still smooth scrolling as well as the mario brothers despite running on much slower graphically challenged dos based PC computers. 

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Tuesday, 10 March 2026

Red Dead Redemption Game

Red dead Redemption is one of the most popular games of all time. Did you know it was nearly abandoned; When Rockstar games was developing red dead redemption, there was so many bugs in the code that the game seemed unfixable and the development team were considering whether they should abandon the project. In forums and press interviews, they claimed they had made the game too complicated and caused software bugs to emerge. 
The game is so advanced that the animals in the desert hunt other animals in real time without user input. Sometimes you can witness a deer being hunted by a bear or wolves hunting a rabbit. 

There is also many hidden things in the game and if you just want to play you can always go to a bar in the game and play blackjack or layers dice. 

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