A malfunctioning of the camera leading to a double-exposed negative. The car is decisive in establishing the relationship between the superimposed photographs. In the middle of the image, we see it parked in front of the house. Slightly less visible is the same car, repeated but further away. This makes it possible to deduce that the dark outline of the house, with the roof and the chimney, is also the same house as in the other photograph. This time, the house is photographed relatively frontally (the slightly angled point of view allows to bring the shed at the back of the house in the line of sight), and from nearby. At the bottom left, the lines that make up the street help to see the continuity of the one photograph, while the electric wires at the top right aid to comprehend the other one. 

The camera malfunction speculates on a future addition to the plot. The dark, outlined shed’s scale is realistic with regards to the scale of the house and itself (the shed) in the other photograph. Its position with regards to the other buildings seems logical. It imposes itself as a possible second shed for the owner to build in the next few years. In that future shed, the car, now standing in front of the house, could be comfortably parked.

The weeds and bushes on what over the years has become savanna are being chopped to clear the ground to replant trees and reinstate the forest. During the dry season, forest fires are frequent. In between the future lots of planted trees, firebreaks are made to keep fires from spreading. Wires are used to measure the required distance between plant beds and to keep a straight line. The sun is sinking. In a bit, the workers will return home and the field will empty out. In a couple of years, the Acacias, Ebben trees, Millettia laurentii and Umbrella trees will testify to the strings.

On January 23, 2020 a young couple walks around the drained reservoir of Kruth-Wildenstein.

It’s freezing. They’re expecting their first child within a month.

The orthopaedic surgeon left early that morning for his shift at the hospital some twenty kilometres away. It must have been around the time Neptune was at its highest, invisible in the morning sky. 

When he got back later that day, we attached a tow cable to the front of my car and the back of his.

In between two cities along the Belgian coast, water has run from the dunes (and the Second World War Heritage site scattered among them), underneath the coastal road and tram rails, to the beach. It has formed a small S-shaped estuary, bound to disappear due to the increasingly harsh wind coming from the coast of Britain, blowing North-easterly, and hammering down on the levee. The vibrations of the empty Ostend-bound tram passing just before the photograph was taken, had no visible impact on the estuary.

Each night a plethora of amateur-astronomers gazes into the sky. Their instruments and locations are often inferior to the means available to professionals. Yet, what they lack in terms of technology and location, darkness and mirror surface, they make up for in the collectivity of their observations. They are patient observers, spread around the globe, not bound to the strict schedules and limited availability of the large telescopes in the Atacama Desert. 

When amateur astronomy became fashionable, it led to a surge of information stemming from a large group of distinct observers: seafarers, physicians, typists, masons. Theirs were valuable data, but if they were to be put to scientific use, they needed to be standardised. How to overcome the subjective element inherent in every empirical observation? The amateurs had to be instructed to recognize patterns, by means of visual examples. They had to be trained to use the right terms to describe their observations. They had to turn chaos into order. Recognize what they were looking at. A nebula. A red giant. Neptune’s faint blue-greenish colour resembling the flame of the gas stove.

As the light of celestial objects travels through the Earth’s atmosphere, the various wavelengths that make up this light are refracted differently. This effect is called ‘dispersion’ and results in colour fringing on the edges of planetary discs: images with a sliver of blue at the top and a red one at the bottom appear.

When celestial objects are positioned close to the horizon (like Neptune when observed from Luxembourg) the images are severely affected: the path of the light through the atmosphere is longer, leading to greater dispersion. 

For the same reason sunsets are red, Neptune turns from a monochromatic blue disc into a misaligned, multicoloured oval. 

The building is almost finished. One apartment is still up for sale, on the top floor. The contractor is finishing up. There’s a long list of comments and deficiencies that need to be addressed before the building can be handed over definitively to the owner. The elevator’s walls are protected by styrofoam to prevent squares, levels, measures, drills, air compressors, chairs, bird cages, etc. from making scratches on the brand new wooden panelling. 

In 1932 Brassaï began taking photographs of graffiti scratched into walls of Parisian buildings. On his long walks he was often accompanied by the author Raymond Queneau, who lived in the same building but on a different floor. Brassaï published a small collection of the photographs in Minotaure, illustrating an article titled ‘Du mur des cavernes au mur d’usine’ [‘From cave wall to factory wall’].

According to @missbluesette, the green K-10 put up for sale by Fred from Zwolle that I came across on marktplaats.nl on 29 September 2022 is not green, but blue. The colour resembles turquoise, I explain, a colour I have always called green. No, turquoise is not green, but blue, she replies. And the texts of my Instagram posts are too long, she says, so she doesn’t read them.

The Sedum reflexum grows on rocky soils and in crevices of walls. In L’herbier classique, it is depicted in two ways, just like the other plants in the book. This double portraiture is important, the author states in the introduction: ‘one consists of the reproductions of the photographs taken by the author of this book […]; the other, drawings made by excellent artists who observed the plants themselves, showing details photography can’t reproduce, highlighting aspects the photographs leave untouched. […] From this double representation, interesting comparisons can be made, highly enlightening from an artistic point of view, between the realistic aspect of nature’s “productions”  and the interpretation thereof by the draftsman’ (5).

A detail not covered by the drawing of the sedum reflexum, is the presence of other species in the vicinity of the plant, a detail shown in the photograph and described in the caption: ‘The Common houseleek grows on the same rocks, with its rosette of leaves pretending to be an artichoke’ (59).

The road down from the top of Mount Vesuvius, at Atrio Del Cavallo. The sun sets. The last tourist bus has headed down. Then the headlights of the guardian’s car swing their way down. It must be freezing. I am holding an orange-sized piece of petrified lava, probably stemming from the 1872 or 1944 eruption. A kilometer further down the road, the old Observatory is empty. Nowadays, moni­toring seismic changes is done in a research centre in the city of Naples. Their seismo­graphic regis­trations can be followed online, in real time. Two head­lights swirling along the slopes, underneath me, are coming upwards.

The car is parked on a gravel path, a few metres down from the small road crossing the village. It would be hopelessly stuck the next morning. While trying to capture Neptune through the rental telescope, I run back and forth between the tripod on the small lawn and the trunk several times to get other eyepieces and adapters.

I align the telescope, using three stars: Vega, Arcturus and Deneb. 

I hear an animal. I look up and notice the interior light of the car has switched on. 

A motorcycle around 3:14. The driver is shifting gears rapidly. I don’t see any headlights in the valley.

Fog sets in. Saturn practically disappears from sight. Jupiter appears as a blob. 

I’m 380m above sea level. The highest hill in the area is barely 500m of height. Still, the fog and the settling dew, along with the nightly cold give it something strangely alpine. 

The fog lifts.

I can still clearly see the ridge in the east. It should be darker.

A seminar on spectroscopy: how, by splitting light into different, separate rays, it becomes possible to deduct the chemical composition of stars and planets far beyond our reach, as those elements have an effect on the light that reaches the spectroscope. Beautiful graphs presenting colour in schemes of black and white. From the moment the course gets into the physics of light, my mind wanders off. What approaches the observer turns blue, what elongates itself becomes red. The teacher’s leather shoes squeak as he goes back and forth between his self-made spectroscope and the desk. Redshift. Blueshift.

We meet him a couple of weeks later on the rooftop of a university building. He opens one of the half-domes. The sound of the mechanics is as obtuse as the shape it alters. A command on the computer based on coordinates: above our heads, the telescope slews slowly, only to halt at an apparently indistinct black region. From within the dome, we send ourselves an email with the photographs that we took of Neptune. 

University classes will start in a couple of weeks. The city air is crisp. The roundabout below is strangely calm. On the horizon, the canopy of a southern forest delineates the sodium-lit sky. 

The planet Uranus should have followed a course as predicted by Newton’s laws. It didn’t. There were ‘residuals’, the 19th-century observers said: irregular data, which had to be interpreted as Uranus deviating from the projected trajectory. They could think of three possibilities. A) The planet Uranus was too far away from the Sun, which might render the Law of Gravitation invalid. B) The observations were incorrect. C) There was another planet, still further and yet unknown, with its own gravitational field and pull, causing Uranus to deviate from its course.

Following hypothesis C, astronomers predicted the position of a planet with a gravitational field, influencing Uranus, by means of mathematical calculations. Telescopes were directed to that calculated spot. There was a luminous point, with a touch of bright azure blue.

A mostly empty book designed to collect cigar bands. The bands are glued to the paper at their left side, so the information on the backside, explaining the image and referring to the series it belongs to and the number of different labels the series contains, can be looked up. The book has complete and incomplete series on Christopher Columbus (complete), tanks (incomplete), the origins of civilization (complete), Ancient cultures (incomplete), fashion (complete), South-American sculptures (complete), Ancient columns (incomplete), Nobel Prize Winners (incomplete), an unclarified series of seven men, most of whom are ‘prof.’ or ‘dr.’(complete / incomplete), design plates (incomplete), famous Belgians (complete / incomplete), statesmen (incomplete) and football players (incomplete). The first page in the book is used to present two series. The left column presents the Egyptian dynasty (incomplete). The middle and right column present a series of bands by the brand Jubilé on the history of energy in telling scenes and pieces of machinery. 

Series: Energy

Middle column, top to bottom: 

• The writing telegraph. Hughes
• Experiment with a sulphur globe. William Gilbert
• Primitive telephone. Philipp Reis
• Wireless telegraph.¹ Guglielo [sic] Marconi
• The arc of Volta. Sir Humphry Davy
• Fire in the wagon. Thomas Alva Edison
• Experiments with lightning. Benjamin Franklin
• Cathode for creating X-Rays. Wilhelm Röntgen
• Rotating magnetic field. Galileo Ferraris

Right column, top to bottom:

• Electric discharge. William Watt
• Magnetic telephone. Antonio Meucci
• Muscles reacting to electricity. Luigi Galvani
• Voltaic pile. Alessandro Volta
• Oscillating circuit. Guglielo [sic] Marconi
• Development of the telephone. Graham Bell
• Telephone, beginning of the 20th century
• Next to his wireless telegraph. Guglielo [sic] Marconi
• Invention of the incandescent light bulb. Thomas Alva Edison
• Morse’s telegraph. Samuel Morse

The series is incomplete.²

The oldest coin in the collection has darkened over time, but upon inspection, the text ‘AD USUM BELGII AUSTR’ (left) and the contours of a (female) head (right) can be discerned. A quick search learns it stems from the middle of the 18th century. The coin was made and used in the Austrian Netherlands, reigned by Maria Theresa, who is the one depicted. My mother recollects finding it in the backyard when she was a kid.

About 40 years later, the euro was introduced. The ringbinder with my mother’s coin collection was taken from the shelf. A dilemma came to the fore: we wondered if we should keep one of each existing Belgian coin and banknote and put them in the binder, alongside Maria Theresa, or if we should exchange them for the new European currency. The decision to keep a coin of five Belgian francs was not difficult to make, but as the amount raised, the answer was increasingly hard to give. This was an assessment of the old currency’s emotional and projected historical value, compared to its current financial worth. It was a decision based on investment principles. 

To accentuate the value of the Maria Theresa kronenthaler of 1 liard, I put the coin on a pile of red post-it-notes when photographing it. Coins like these are sold on eBay for prices ranging from 0,70 euros to 16 euros.

While calibrating their telescopes, or dealing with unforeseen, cloudy weather, amateur astronomers tend to trade the far for the not-so-far, and point their telescopes at their immediate surroundings.

Jolimont, December 2021. The place is in ruins. We occupy the domain with students of La Cambre in an attempt to practice ceramics with what is there. In the former ceramic atelier, we gather everything that was purposelessly there: a weird collection of things from the past, waiting to be organized, displayed, used or thrown away. 

The firing tool was made to take out the accumulating ashes from the firebox, to keep the air flowing in the oven, raising the temperature, reaching our ceramic-making goal of 1150°C. Not very efficient, time or heat resistant, this savage, yet poetic composition barely survived the firing. 

The wooden handle was borrowed from a broom.
The scraper is a fragment of a chandelier previously hanging in one of the salons.
The connecting element is an old electrical resistor we found in one of the dismantled ovens.

In Boarhunt, close to Winchester (UK), the fort houses the Royal Armouries’ artillery collection. It contains parts of the ‘Project Babylon’ space gun, the two part bronze Dardanelles Gun and a collection of French field guns, captured in Waterloo. On the lawn to the South of the fort two neat piles of fifteen¹ 36” shells flank a Mallet’s Mortar. Manufactured in 1857, the mortar remains unfired up to this day.² In 1873, its inventor – the engineer and geophysicist Robert Mallet – publishes his translation of Luigi Palmieri’s Incendio Vesuviano. Before giving a lengthy account of his take on the present state of vulcanicity, he briefly introduces the famous Italian vulcanologist’s report: ‘The following Memoir of Signor Palmieri on the eruption of Vesuvius in April of this year (1872), brief as it is, embraces two distinct subjects, viz., his narrative as an eye-witness of the actual events of the eruption as they occurred upon the cone and slopes of the mountain, and his observations as to pulses emanating from its interior, as indicated by his Seismograph, and as to the electric conditions of the overhanging cloud of smoke (so called) and ashes, as indicated by his bifilar electrometer, both established at the Observatory.’

This stack of seaweed was offered by Henning, a farmer of the wonderful island of Laeso. This matriarchal pirate island, north of Denmark, is known for its tradition of building roofs from the seaweed growing in the surrounding salty water. Back in time, women would harvest and slowly weave the material around wooden beams from shipwrecks. This time-consuming process and technique of building shelters from what comes from the sea engaged the population in working together, building a ritual around each construction. Then those wild, yet full-of-care roofs, conserved in salt, would last for hundreds of years.

When I arrived on his land, Henning told me about how he restores those old beauties, weaving fresh seaweed around old beams and pressing the collected old material into insulation panels for new buildings. We talked about the clay of his land and how seaweed can become a material for ceramics in the process of making glazes. 

For about an hour, he has been saying ‘owl’ at regular intervals. A cartoon character he picked up somewhere and is now fantasizing about, I guess. Or a Disney reference in one of the songs that have been playing on repeat all day, in the car, driving home from holidays. 

50 kilometers further, I recognize the birds in the high-voltage pylons along the highway. 

According to the amateur experts at hoogspanningsforum.com, these French pylons – used for conducting electricity from 63kV to 400kV – are nicknamed ‘chats’: the wiring can be interpreted as feline whiskers. 

Some genera of owls, such as the Megascops or Screech owls, have whiskers.