Lukasz

science

Tonga eruption pressure

On 15th of January 2022 there was an eruption of Tonga volcano. Pressure wave has been registered across the globe, including local weather station. According to BBC article linked above eruption was at 4:10 GMT and it reached UK at 19:10 GMT, which translates to 20:10 CET.

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Hair and a Feather Under a Microscope

Hairs and feather under a microscope.

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Dragonflies from Ornithological Park of Pont de Gau

Dragonflies photos from Ornithological Park of Pont de Gau.

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Visit in Ornithological Park of Pont de Gau

Here's a photo relation from a visit in Ornithological Park of Pont de Gau.

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Moth Wings

Moth wing under a microscope.

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Les Pertes de La Valserine

Several photos from the visit in Les Pertes de La Valserine. More detailed information about this place.

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Dinoplagne

Here's a short relation from a visit to Dinoplagne - a place in France with dinosaur tracks. Dinoplagne has 155 meters of tracks of a sauropod, as of 2021 claimed to be the longest known in the world. There are also 38 meters of tracks of a theropod.

cola

Cola Comparison Test

Here's an amateur test of various no sugar cola fizzy drinks. Main goal was to see if cheap cola drinks can be matched against popular Coca Cola Zero and Pepsi Max as well if it's possible to tell a zero sugar drink from a sugar drink.

3d-printer

Making of T-800 Arm

Here's a description of making a 3D printed model of Terminator T-800 arm. Source: https://www.thingiverse.com/thing:2886923. I don't remember exactly the printing time but it was moderately long - I'm guessing around 20 to 30 hours. Beside few bigger parts

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Photos from Pougny

A couple of photos from the visit to an artificial lake in Pougny.

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Water Striders in Pougny

Here are couple of photos from life of water striders caught in Pougny. They are predators and will feed on invertebrates, as seen on photos below.

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Storm in Ferney-Voltaire

During summer time there are storms and sometimes it's possible to get some lightnings from your own window.

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Nature Photos August 2021

Several photos from recent outings.

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Dragonflies

Dragonflies at the artificial pond.

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Rainy Day 2021-05-10

A couple of photos during a rainy day.

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Rainy walk 1st of May 2021

Birds seem to already have chicks and are busy with catching worms even during rainy days.

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Rooks and Buzzards

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Water Birds April 2021

A visit to nearby ponds and here are (mostly) some water birds.

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Bird Photo Session 2021-04-22

A couple of bird photos while on a short walk.

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Macro Photos Stacking

Macro photos usually have a shallow depth of field: To get a better depth of filed there's a technique of stacking many photos, here's a nice tutorial using open source tools: https://patdavid.net/2013/01/focus-stacking-macro-photos-enfuse/. And here's a result of around 20

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Another Trip to Versoix

More photos from Versoix forest.

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Versoix Forest

Few photos from a small excursion to Versoix Forest in Switzerland.

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Nature Photos

Another photo session from Réserve naturelle de Combes Chapuis. Photos taken using Fujifilm X-T4 and 100-400 mm Fujifilm lens + ×1.4 teleconverter. Good mobile application to identify birds: Merlin Bird ID. Good website with photos and other information about birds: ebird.org.

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Bird Photo Session

Short photo session in Réserve naturelle de Combes Chapuis. Photos taken using Fujifilm X-T4 and 100-400 mm Fujifilm lens + ×1.4 teleconverter.

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Cheek Cells Under the Microscope

Cheek cells are easy to easy to collect, from inner side of your cheeks, and can be stained using normal ink.