676
The dragon moray eel
Nocturnal feeder, it's rarely seen. It grows up to 80 cm in length and has a serpentine shaped body which has quite variable coloring.
[read more: buff.ly/3caP2Hc]
[📹 Jeff Leicher: buff.ly/3c7gmG7]
677
The Andromeda galaxy is 6 times bigger in the sky than the full Moon: it's just too dim to see with the naked eye. This composite created by Tom Buckley-Houston shows what it would look like at night if it was just brighter [read more: ow.ly/EMek50A0CeU]
678
This trampoline moving at constant velocity (and therefore not accelerated) shows you how the horizontal component of velocity in an acrobat motion remains constant
[📹, Dunking Devils Squad: buff.ly/2Gr3ri4]
[explanation: ow.ly/2WX930oetjg]
679
You may never have heard of the plant Brassica Oleracea, but six vegetables you can find in any grocery store and you eat on a regular basis are actually all from this one plant and they're all human made products of selective breeding [source, read more: buff.ly/3F8yOXl]
680
Common Baron caterpillars are camouflage experts like no other They quite literally become one with the leaf
[read more: buff.ly/3UpbFaQ]
[📹: buff.ly/3iCazLw]
681
Oranges are made up of almost 90% water by weight. This should pretty clearly mean that they are not flammable. However, thanks to a special oil called D-Limonene in their peel, they can spray fire [read more: buff.ly/2JhlEvu]
682
Costasiella kuroshimae (leaf sheep), is a sea slug performing 'kleptoplasty' = retaining the chloroplasts from the algae it eats, so that they can be used for photosynthesis [read more: buff.ly/2t9sPys] [📹️Catrin Pichler: buff.ly/3iASjgI]
683
This clip demonstrates you can record sounds with some cups. When the kid screams into the top paper cup, a little needle is etching a pattern into the glass. Then the groove & the needle play the sounds back
[📹 Dust-to-Digital: buff.ly/3oqSl0K]
684
There's an amazing tabletop mountain in South America, with sheer 400 meter high cliffs on all sides: Mount Roraima [read more: bit.ly/2cf33mN]
685
Photographer Varun Aditya captured this impressive clip without a flash in the Zimanga Private Game reserve in South Africa, staying for three nights in a hide to patiently wait for the pride of lions
[Instagram: buff.ly/2YmQ6LB]
686
A musical road is a road which when driven over causes a tactile vibration and audible rumbling that can be felt through the wheels and body of the vehicle. This one is in Hungary
[read more: buff.ly/3UttoOl]
[📹 buff.ly/3FtcdYQ]
687
All three extant species of potoroo are threatened by ecological changes since the colonisation of Australia. This is a long-nosed potoroo, showing that their young can eat fruit even from the pouch [source, Cleland Wildlife Park: buff.ly/30ODcN0-]
688
Newton's third law: for every action, there is an equal and opposite reaction
[📹joemyheck: buff.ly/3VaAyHL]
689
Captured by Simon Buxton, this underwater video shows a blanket octopus unfolding and displaying a colorful web multiple times its original size
[full video: buff.ly/31UsssO]
690
How to trap lightning in a block (and release it with a simple hammer blow)
[read more: bit.ly/2rqr9RB]
[full video: buff.ly/2lJTuyM]
691
The potato paradox is a mathematical calculation that has a counter-intuitive result.
"You have 100kg of potatoes, which are 99% water by weight. You let them dehydrate until they're 98% water. How much do they weigh now?"
The surprising answer is 50kg
buff.ly/2B5t3xS
692
Take your time to understand exactly how differentiation is defined using the concept of limits
[source: buff.ly/2rZ2cQa]
693
Borgund Stave Church in Norway was built sometime between 1180 and 1250 AD. It's part of of a group of medieval churches almost only present in Scandinavia, built with wood only and without using a single nail through timber framing
[read more: buff.ly/2LachQV]
694
Comparison of the height of the most known trees, from the apple to the tallest tree in the world
[full video, HD, Red Side: buff.ly/3dHRLrO]
695
Graduating art student Shun Onozawa has created this mesmerizing device named “Movement Act” where a golden formula allow all 16 balls to continuously move through it without ever colliding
[read more: buff.ly/3yMtQiF]
696
This is the level of detail you can get from a 365-Gigapixel picture
[source, read more: buff.ly/3hZge9C]
697
The Typhoon is a class of nuclear-powered ballistic missile submarines built by the Soviet Union. With a submerged displacement of 48,000 tonnes, the Typhoons are the largest submarines ever built. This picture gives an idea of their scale vs the crew buff.ly/2oNliRT
698
Icelandic black sand is found on beaches near a volcano and consists of tiny fragments of basalt
[read more: buff.ly/3wLzKhQ]
[📹 Lorenz Weisse: buff.ly/3wUa18q]
699
The Victoria crowned pigeon is now the most rarely occurring of the three crowned pigeon species in the wild and is evaluated as Near Threatened in the IUCN threatened species
[read more: buff.ly/3QgbflG]
[📹 nohumanz_: buff.ly/3Jw4BFC ]
700
Theoretically it is possible to encode all the information contained in every book ever written on a single notch on a perfectly straight metal rod (using only 2 parameters)
[📹 mathletters: buff.ly/3YF04YJ]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links