Roland PerssonFeb 61 minLittoral rainforest in Cronulla - fascinatingSo, my friends, if you go to Bass and Flinders Point in Cronulla (and that will be another post) turn right and walk down towards Hungry...
Roland PerssonFeb 41 minVery interesting historic wrecksHistoric shipwrecks. The wreck of Captain James Cook's HMS Endeavour, the vessel in which he sailed in a historic voyage to Australia and...
Roland PerssonDec 23, 20211 minMaps are soo interestingHey Topiclogic.net members, just for info…I find the mapping technology facinating. Coming from the very basic and amazing work way back,...
Jasper PerssonNov 18, 20211 minThe great pacific garbage patchIn 1997 an oceanographer named Charles Moore was sailing home to California from a boating race that was from Los Angeles to Hawaii....
Jasper PerssonOct 24, 20211 minTardigrades, what a mysterySo, what are tardigrades, well tardigrades are microscopic creatures that live in many different places, they are classified as...
Roland PerssonOct 15, 20211 minFascinating!The pictures on the right are from our first excursion. A few weeks back I went on a boat trip, here is a quick summary of what we did....
Jasper PerssonSep 13, 20211 minThe wonderful world of planktonwhat is plankton? Plankton is an aquatic creature, it is microscopic. Its name plankton comes from the Greek word planktos which means...
Jasper PerssonAug 19, 20211 minCooking: the chemistry of your kitchenSo, I am sure at least one of you have cooked once but do you know why things cook? Cooking is chemistry if you heat something up or add...
Jasper PerssonAug 19, 20211 minThe first picture of a black hole and how they got itA few years ago some how, scientists took a picture of a black hole and shared it with the world. Here's how they did it. It all started...