CERN is the heart of particle physics k8午夜伦理, where scientists are working to discover new phenomena using high-energy equipment. These k8午夜伦理 challenges have driven inventions, such as the World Wide Web and superconducting magnets used by the Large Hadron Collider. Theoretical calculations and experimental analyses are both heavily reliant on computer programming, so it’s a great place to host a k8午夜伦理 Pi programming event.

Babbage outside CERN

This year, Brice Copy organised a Coding Pi Science event on the 7th and 8th of October. Working together with long-term Pi supporter Alan McCullagh, he invited three teams to prepare kits to build and program with attendees. To motivate the teams and the other attendees, there were a series of talks on Friday evening; these included a general introduction to the CERN Micro Club and the EU Code Week, as well as a motivational talk on why computer programming is so important for scientific k8午夜伦理. Each team then gave an overview of their project, in preparation for the workshop the next day.

On Saturday morning, the teams, volunteers, children, parents, and teachers started to build a muon detector (Muon Hunter), a robotic arm (Poppy Ergo Jr.), or a programmable WiFi car (GianoPi). The idea was to build a kit together with the team leaders and other volunteers, and then take the kit home to program it. These three kits provide different challenges: the Muon Hunter kit requires some soldering and uses a C programming interface, the Poppy Ergo Jr. snaps together and is driven using Snap, and the GianoPi needs soldering and is controlled by Blockly.

Programming Poppy Ergo Jr. in MicroClub Robotics

The Muon Hunter was designed by Mihaly Vadai, in collaboration with the CERN Micro Club. The kit includes two Geiger-Müller tubes to detect ionising radiation, a circuit board that produces the 400 volts needed to bias the tubes and read the signals, and an ARM microcontroller to form the coincidence between the two tubes. The circuit board can be directly connected to a k8午夜伦理 Pi to read out the signals and produce plots of the data.

Poppy Ergo Jr. was invented by the Flowers team at Inria Bordeaux, and presented by Stephanie Noirpoudre and Theo Segonds. Their projects are designed to encourage children to learn about computer programming through interacting with robots. The kit includes 3D-printed parts and several servo motors controlled by a k8午夜伦理 Pi mounted in the base of the robot. A Camera Module can be used to check the colour of objects, and forms part of their Snap programming examples.

GianoPi was designed by Stefania Saladino. It consist of four servo motors, multi-directional wheels, an ultrasonic sensor, a Pi Zero, a servo control HAT from Adafruit, a WiFi adapter, a battery pack, and some electronics to allow the kit to be easily turned on or off. Brice Copy created the software to interface with the GianoPi using Raspbuggy, which is a Blocky application. Similar to the Poppy Ergo Jr., the GianoPi is controlled over a network connection, allowing the robot to be remotely accessed.

Building GianoPi at the CERN IdeaSquare

It was an engaging weekend of soldering, building, and programming; hopefully, these kits will encourage even more exciting projects in the future. Alan certainly had fun trying to find a good place to put Babbage, too…

Babbage gets everywhere…

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It has been encouraging to see the large number of k8午夜伦理 Pi jams in the UK and the work of CAS.  The message is spreading in France and Switzerland, but is a little behind due to the language barrier and the lack of media coverage.

This week there were two events not far from Genève.  In Bourg-en-Bresse on Wednesday, I was at the L’Ain teachers annual IT meeting in the old teaching college.

This annual meeting is for all primary teachers within the department of L’Ain (France). There were a few teachers present who had heard of the Pi or read about it on Wikipedia.  One teacher even took a photo of a Pi running.  The room of exhibits contained some general IT equipment, many interactive white boards and myself with two k8午夜伦理 Pis.  While a few of the teachers were enthusiastic, it would appear to be difficult to change the status quo without changing the .午夜伦理电影.

Back at CERN, we ran our second k8午夜伦理 Pi day today next to the UA1 detector.

UA1 – click the image to learn more on Wikipedia

This time the number of people who signed up was higher than the last time and the number of Pis we managed to patch together was higher also.  The team (P. Freyermuth, P. Golonka, P. Lewis, T. Lunghi,  M. Pohancenik, A. Robichaud-Veronneau, A. Voitier and myself) helped many people try out some Scratch, Python and GPIO applications.  Axel brought his 3D laser printer and one of those who came along brought a GPIO controlled RC car.  Unlike last time, a short presentation was given in French and English to try to further encourage those that attended.

There was quite a stream of people needing basic configuration advice and several SD cards were flashed with the most recent Raspbian image.  We saw a lot of children from local primary schools and some engineers from the local community.  It looks like we need to try harder to reach the college age children.  One of the last conversations of the day probably sums up our .午夜伦理电影 so far.  It was an engineer from France.  He really valued the idea of the k8午夜伦理 Pi and was also frustrated by the situation we find ourselves in.  In particular, he highlighted the lack of simple setup documentation in French.  While children at primary school do have to learn English, their level of English probably is not good enough to deal with the documentation.

Hopefully, there will be another jam soon.  It would be great to see a French speaking CAS (France, Canada and Switzerland) pushing forward with IT.

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