At a dental practice, the white Alligat^®-powder is mixed with the right amount of water to get a mouldable dough that is pressed upon a patient’s teeth. After thirty seconds, the Alligat^®-dough stiffens and takes on a rubber-like quality. At that point, still white, it must be removed from the patient’s mouth. Over the next few hours, the mould turns increasingly pink as the substance becomes less humid. Now, it can be used as a mould to create a positive master cast of the patient’s teeth. 

Outside the dental practice, the powder’s possibilities remain to be fully explored.

On the online thrift shop 2dehands.be the homepage generates a ‘for you’ section. On November 9th this section listed, among other things, a picture of the sky on a patch of concrete. On closer inspection, it became clear that it was the sky’s reflection in a mirror with a red frame and four lightbulbs in it, the kind you might see at the hairdresser’s or backstage in a television studio or theatre. The seller estimates the mirror’s current value to be 45,00 EUR. The listing includes five photographs. In the fifth one, the object for sale reflects a bucolic landscape: a blue sky, white clouds, some trees and a fragment of a barn.

I recognized it in a flash, the late Jurassic-early Cretaceous herbivore looming dangerously over the road I was cycling on. I thought of Some Windy Trees.¹

A utility pole (425638, 07/99, 07/2002, COBRA), electrical wires, a hawthorn (Crataegus) and an old man’s beard (Clematis vitalba). A symbiosis.

On the second to last day of a research visit at CERN, there was some spare time in the schedule. I took a long walk towards building 282 in search of some excavation samples: cylindrical pieces of rock that were preserved when the tunnel was dug, glued to a block of wood and frequently exhibited in museums over the last three decades as material evidence of the earthwork and as a witness to the depth. The route led me along the back of building 363 where the wind caused young trees – now gone – to scuff the facade over time.

I must have driven past this rocky landscape about sixteen times, going back and forth between viewpoints and the house the parents of a friend let me stay in. On the last day, I left early for the airport, pulled into a lay-by, took my tripod and camera out of the trunk of the red Volkswagen Polo rental car and made two photographs.¹ It was only when I got home, had the film developed, scanned it and was removing dust particles from the file, that I discovered the hand painted text on the rock: ‘PROIBIDO BUSCAR SETAS’.

Between the rhinos and the kangaroos in the Antwerp Zoo a wooden footpath curves through a grove of Sequoiadendron Giganteum trees. In the middle of this Californian forest, visitors find the giant slice of a felled tree of the same species. It was brought to the zoo in 1962 and was approxi­mately 650 years old at the time. Eleven labels point out significant moments in history on the tree’s growth rings. They range from zoo- and zoology-related moments (for instance: ‘1901: The Okapi is described as a species’, or ‘1843: Foundation of the RZSA and opening of the Zoo’, or ‘1859: Darwin publishes The Origin of Species’, etc.), to cultural and historical milestones (‘1555: Plantijn starts publishing books in Antwerp’, or ‘1640: Rubens (baroque painter) dies’, or ‘1492: Columbus in America’). Another label points to the last growth ring and reads: ‘1962: this tree is felled and this tree disc is installed at the Zoo.’

The label pointing to the centre of the tree implies a simultaneity between the tree’s first growth year and the Battle of the Golden Spurs in 1302.

The Authenticity bunkered crude fuel in the Panama Bay. She navigated back and forth between the artificial island Isla Melones and ships leaving or waiting to enter the Panama Canal. On February 14th 2015 she had been moored for a couple of days near the Centennial bridge when the AIS-transponder momentarily signalled the ship’s position in the woods of the Bosque Protector de Arraiján. Afterwards no signal of the ship was received for 41 days, until she reappeared near the port of Bahia Las Minas, at the other side of the Panama Canal.

On March 23th 2015, a high pressure system above Panama Bay blew strong winds landwards. At the Gatun locks, one of the webcams overlooking the Canal neglected the traffic and briefly captured its own images. The ship’s presumed passage through the Gatun locks wasn’t recorded by this camera and the AIS-transponder did not save any data of the ship’s transit from the Pacific to the Atlantic side of the canal: the Authenticity managed to swap oceans undetected.

On February 16th 2016, the transponder still signals the ship near the port of Bahia Las Minas. The current is calm, the ship has been practically immobile for a year.

Near Avenue 61 on an artificial island close to Seef, a truck is being towed after the driver lost control over the vehicle and flipped it onto its side. A warm wind blows in from the Persian Gulf.

A police officer signals us to come closer. ‘Why are you taking pictures?’ he asks. ‘This is just an accident. You have to delete the pictures from your phone. Now.’ After checking the pictures-folder on our phones, he gets in his car, drives a few metres, stops the car and rolls down his window. ‘And don’t do it again!’ he yells. Then he drives off, raising a cloud of sand in his wake.

Robert Nemiroff and Jerry Bonnell’s lesser known project (R.N. and J.B. being the creators of Astronomy Picture of The Day), was making websites containing over a million of digits of square roots of irrational numbers, e.g. seven. ‘They were computed during spare time on a VAX alpha class machine over the course of a weekend. […] We believe these are the most digits ever computed for the square root of seven on or before 1 April 1994.’ Elsewhere, R.N. states: ‘They are not copyrighted and we do not think it is legally justifiable to copyright such a basic thing as the digits of a commonly used irrational number.’ If one wanted to get a copy of the 10 million digits of the square root of the number e R.N. and J.B. computed in their spare time, one can send an email to R.N. at nemiroff@grossc.gsfc.nasa.gov.

When the juneberry (Amelanchier Lamarckii) flowers, the beekeeper knows it’s time to add a first honey super to the hive. Winter’s over and worker-foraging bees will fly out and come back with their stomachs full of nectar. To avoid larvae in the honey, the beekeeper will place a grid – the so-called queen excluder – between the main compartment of the hive and the honey super.

The torn off section of roofing on the grass has part of a text carved in it: ‘UDI’ and ‘EN’ are still legible. It must have come from another roof; the one shown in the photograph has no missing sections, nor visible repairs.

The roofing that is still on the garage shows a drawing of some kind. A floorplan for a squarish building with a supporting column along each side, or the layout for a tactical explanation, perhaps.

In what order and by whom the various texts and drawings were carved into the soft roofing is unclear. To the right of ‘EVA’, a heart symbol and an arrow (pointing to the left), the roofing reads ‘SIMON TU ME MANQUES’.

The short sentence usually – yet hastily – translates to ‘Simon, I miss you’. However, in French the ‘you’ (tu) is the subject and has an active role, whereas the ‘I’ (me) is the direct object. In short: by his not being there, Simon actively effectuates hurt to the one who carved this text.

Anastasio Guzmán was a Spanish pharmacist and naturalist. He spent most of his career in South-America. He died in 1807 during an expedition in the Cordillera de Los Llanganates in Ecuador, in search of the lost treasure of the Incas. Some time after his death, his colleague Juan José Tafalla suggested naming a certain genus of plants after his friend.

Guzmanias are mainly stemless, evergreen, epiphytic perennials native to Florida, the West Indies, southern Mexico, Central America, and northern and western South America.They are found at altitudes of up to 3.500m in the Andean rainforests.

The symbols beneath the photographs indicate that these Guzmanias require full light, but it is advised to avoid bright sunlight in spring and summer (HALF WHITE, HALF BLACK SUN), the compost should be kept moderately moist during growth, allowing it to dry slightly between each watering period (HALF FILLED WATERING CAN). Unlike, for instance, the Grevillea Robusta, a Guzmania does not require being sprayed regularly (SPRAYER). The four digit code is the AUCTION CODE: ‘Every product has a code. This code is indispensable for the trade.’ The COLOURED BAR at the bottom shows the availability of a plant quarterly. RED means good, PINK means moderate and WHITE means not available.

The introduction to this booklet mentions that ‘[p]rinted colours are often not as accurate as the colours of the plants themselves, which is why it is possible that colours shown in pictures in this booklet may be a little different from the colours of the real pot plant.’

Halfway March my dad started finding empty clam shells on the banks of the Zuidlede along the pasture where he used to herd sheep. He had never seen this type of clam before. There were easily seventy of them along a hundred metre stretch of riverbank.

He brought two specimens to someone he knows in the neighbouring provincial domain. She would look into it, she said, and that she would probably pass it on to someone at the educational department.

Yesterday he (my dad) received a printout of the Dutch wikipedia-page on the Brakwaterstrandschelp (Rangia Cuneata). On the page Paul (who sends his regards at the bottom of the document) traced around the scallops with a blue ballpoint pen.

My dad added in capitals – also with a blue ballpoint pen – that the Rangia Cuneata is an invasive species, native to the Gulf of Mexico. The first time it was observed in Europe was in Antwerp in August 2005, most probably they reached Europe in the ballast water tanks of large ships.

Interior of Eben-Ezer: photocopies and replicas of among other things an Edit du Roy and a photograph of a Marche pour la liberté de conscience, 1956. Handwritten labels are added beneath the blue frames. Due to limited lighting, and an interdiction to use the camera’s flash, some labels are illegible, even when zooming in on the picture. It is unclear what the bottom left replica of a painting is (it has a Brueghelian air to it) and the upper right replica of a photograph. 

The walls are made of flint, harvested from quarries in the neighbourhood.

In John Berger and Jean Mohr’s groundbreaking book Another Way of Telling, the index at the end gives information on the images printed throughout the book. Most of them are Jean Mohr’s. In the section ‘If each time…’ – a wordless sequence of images which aims to develop an alternative way of telling a story – some images are referenced as ‘documents’. The information is sparse. On page 138, the index states, there is a ‘Document, detail’. It features a closeup of a knitted piece of fabric. It appears to be the same picture as seen on the first page of the section (p. 135), where it is printed beneath another image – a photo by Mohr of hands knitting. On this occasion, the image is indexed as ‘Document’.