bioluminescent fungi in a tropical rainforest

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bioluminescent fungi at cape tribulation, daintree rainforest i’ve always been fascinated by bioluminescent phenomena. in a relatively wide range of organisms, evolution at some point produced species that can produce light, from marine plankton in warm seas, to fireflies, to the famous deep sea anglerfish.
lesser known is the fact that damp wood can also give off a very faint glow in the forest at night. the bioluminescence in this case is produced by fungi, whose mycelium as well as fruiting bodies glow faintly. it is believed that this helps attract insects that will disperse their spores.

a recent research trip to the daintree rainforest in far north queensland, australia, gave me a first opportunity to see bioluminescent fungi. [more...]

tiny planet: the conservatory, royal tasmanian botanical gardens [panorama]

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here’s a “tiny plot” render of a photosphere (android’s take on 360 degree panoramas) recorded in the conservatory at the royal tasmaian botanical gardens, hobart:

the conservatory, royal tasmanian botanical gardens (panorama)

how to fix contact names in viber after data transfer or restore

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how to fix contact names in viber after data transfer or restore when you factory reset your android phone or switch to a new smartphone, there is unfortunately no easy way to transfer your existing viber messages, received files etc. if you’ve got your mind set to it, there is an manual to migrate viber. the downside of this manual is that upon fresh setup of your android phone, your android contacts may change device-internal IDs, which are used to connect viber contacts with your phone contacts. as a result, messages and threads may be randomly assigned to other contacts in your address book, even if they don’t have viber accounts.

here’s how to manually fix the problem and correct contact names in viber: [more...]

[category: android] [tags: , ]

non-invasive imaging of the plant water transport system using x-ray microCT

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it’s been rather quiet in the blog lately, so i thought i’d share a peek into what we’ve been up to at work:

Hydraulic vulnerability analysis using X-ray microCT
MicroCT cross section of a Eucalyptus stem. One of the major points of critique for hydraulic measurements of xylem vulnerability and embolism is that they are destructive measurements. In contrast, non-invasive imaging has made it possible to observe xylem function and the spread of embolism in living, intact plants without destructive sampling and associated artefacts.

In collaboration with Iain Young and Richard Flavel at the University of New England, Armidale, we recently scanned the stems of young Eucalyptus trees at high resolution using X-ray Micro Computed Tomography (microCT) to visualize the loss of hydraulic function at increasing levels of drought. [more...]

panorama: dramatic clouds and colours at sunset

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with the dramatic clouds and colours at sunset today, a panorama was just waiting to be recorded:

panorama: dramatic clouds and colours at sunset

[category: random photos] [tags: , ]

dramatic clouds, sun rays, and rolling hills [photo]

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dramatic clouds, sun rays, and rolling hills above giro and the monkeycot nature reserve

dramatic clouds, sun rays, and rolling hills above giro and the monkeycot nature reserve

the picture was taken en route north to armidale, at a little scenic viewpoint overlooking giro (nsw) and the monkeycot nature reserve.

[category: general]

[updated & simplified] how to convert an .avi file for use in gopro studio, using only freeware

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[updated & simplified] how to convert an .avi file for use in gopro studio, using only freeware more than a year ago, i published the article how to convert an .avi file for use in gopro studio, using only freeware, which has apparently seen quite some interest. recently, the article has accumulated more and more comments about problems following the tutorial. after a fresh install of Windows and GoPro Studio, the Cineform HD codec is indeed no longer available in MPEG Streamclip.

here’s an easier method of converting non-GoPro videos for compatibility with GoPro Studio, which has worked for me. [more...]