1276
Photographer Cassie Jensen captured this close encounter with a humpback whale in 2019.
[why whales (especially humpback whales) do breach: buff.ly/2AgRjwu]
[source: buff.ly/3oB0pLW]
[author's site: cassiejensenphotography.com]
1277
This underwater rodeo was caught on camera by NatureFootage contributor Harrison Stubbs in the waters off Guadalupe Island in 2016, and at first glance, you may wonder which of the animals is doing the attacking [source 1: buff.ly/3CrZwd5, 2: buff.ly/33NZXga]
1278
The story of Theodore Hall, among the youngest Manhattan Project scientists, who finished high school at 14, graduated at Harvard at 18, entered program at 19. Fifty years later, before dying, he confessed he had been a Soviet informant the entire time: buff.ly/3lIxAvc
1279
Asteroid impact comparison
[original video, MetaBallStudios: buff.ly/3XacAxs]
1280
This technique to fold shirts in few seconds seems to find a secret topology hidden inside clothes
[source: buff.ly/3iR7pDL]
1281
This demonstration by Alex Kontorovich uses pizzas to lustrate the meaning of π. Cutting and laying the crust of a pizza across four others with the same radius, youl'll find that the crust spans a little more than 3 pizzas or ~3.14 buff.ly/3au7XYG
1282
David S. Wright, the college physics professor made famous by a tweet and his teaching technique, built from his very first lesson in 1974 until his retirement in 2020 in attempt of making physics enjoyable & exciting
[read more: buff.ly/3BtdZHy]
1283
Close up image of an ant
Camponotus photogaphed by Dr. Eugenijus Kavaliauskas at 5X objective lens magnification
[source: buff.ly/3DknbyT]
1284
This mini-tug was built by Chuck’s Boat and Drive out of Longview Washington and used by the U.S. Navy to move ships and submarines. It's the smallest active-duty vessel of the United States Navy
[source, read more: buff.ly/3jaB0TS]
1285
The Vortex Turbine by Turbulent Hydro is an eco-friendly way to harness energy from rivers and canals with a low height difference. A single turbine can generate from 15 to 70 kW of constant energy around the clock
[read more: turbulent.be]
1286
This is what happens when two bubble rings collide
[source: buff.ly/3Dns5eL]
[the physics of a vortex reconnection: buff.ly/2SdU3zZ]
1287
American woodcock videos often show them bobbing and rocking, and it's believed this dance may create enough vibration that it will disturb earthworms, so that the birds can forage them
[read more: buff.ly/2ZH231Z]
[📹 Kelly Cain: buff.ly/2Vj041W]
1288
The spinner dolphin is famous for its acrobatic displays in which it rotates around its longitudinal axis as it leaps through the air. It can make up to seven spins in one leap
[read more: buff.ly/2MlizQi]
1289
Amethyst is a purple variety of quartz (SiO₂) and owes its violet color to irradiation, impurities of iron and in some cases other transition metals, which result in complex crystal lattice substitutions
[read more: buff.ly/3E2pg1M]
1290
That's why science education is important
[full story: buff.ly/2LGPXfJ]
1291
See Mont-saint-Michel like never before in this impressive FPV drone foortage by Fincky: one of the most unique and iconic French monuments seen in a totally new perspective
[full video, HD: buff.ly/3VFwzU2]
1292
The Serpent d'Océan is a metal sculpture located on the Saint-Brevin-les-Pins beach, France. This permanent installation by artist Huang Yong Ping represents the skeleton of a huge prehistoric snake that is somewhat playful with the tides [read more: buff.ly/3wxJpc2]
1293
Using fog to illustrate how sunlight is focused by a fresnel lens to a point. If you put a rock in that point, it will eventually melt
[📹 Joemyheck: buff.ly/3GNvsdF]
[fresnel lenses: buff.ly/3E03wkP]
1294
Scientists found that only some bees can figure out how to do this on their own. But 60% of inexperienced bees watching this, learned the new skill
[read more: buff.ly/2XGvsFZ]
1295
Elephants help each other in distress, grieve for their dead, feel emotions like us. This is Nosey making her first new friend at her sanctuary after working in a circus for 29 years
[story: buff.ly/3CyhsE4]
[read more: buff.ly/3ENmkrT]
1296
Emperor penguins transport their chicks on their feet. Some of them might be doing that the wrong way
[source and full video: buff.ly/34Ew5nI]
1297
Those who hadn’t left the city in time during the 79CE eruption, were trapped in their homes, buried by a shower of pumice stones and lapilli
During the excavations in Pompeii, the remains of over one thousand victims have been found.
[read more: buff.ly/3VtqWYJ]
1298
There's a mountain in Peru whose 7 colors make of it one of the most beautiful natural wonders in the world [read more: ow.ly/IBmH50DtEih]
1299
Pure samples of hydrogen, nitrogen and five noble gasses are subjected to the high frequency pulsed field of a miniature Tesla coil. Each gas has a characteristic breakdown voltage and emission spectrum
[source, read more: buff.ly/3frLyOD]
1300
74 years ago #Today, the transistor was first demonstrated by Walter H. Brattain and John Bardeen to their higher-ups at Bell Laboratories. It has since become the most widely manufactured device in history bit.ly/2kNRLs3 #HappyBirthdayTransistor
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links