Hey there,
if you interested in our oceans and the research of our oceans as well as the technology used to research, i can highly recommend you to check out nautiluslive.org a website about the Ocean Exploration Trust and the Nautilus Exploration Program.
Ocean Exploration Trust (OET) and the Nautilus Exploration Program aim to explore the ocean, seeking out new discoveries in the fields of geology, biology, maritime history, archaeology, and chemistry while pushing the boundaries of education, outreach, and technological innovation. Our expeditions center on scientific exploration of the seafloor, collaborating with the broader research community to identify priority regions and phenomena, and sharing our expeditions with explorers around the world via live telepresence.
You can follow a team of researcher live over their [website] or YouTube (https://nautiluslive.org/) and see their ROW Hercules 
dive into the deep to discover a bunch of interesting things down there.
You can learn about expeditions from the past as well as future expeditions and follow them even on a map
I can recommend to watch this video about the found and research of whale fall.
A whale fall occurs when a deceased whale descends to the seafloor, bringing with it a banquet of vital nutrients to deep-sea scavengers. A side-by-side comparison of the 2020 visual survey taken by ROV Hercules in 2019, showed that the whale fall had undergone dramatic density changes in the 12 months since our last visit. Whereas the whale fall was once covered in a thriving abundance of life in October 2019, it was nearly devoid of organisms just a year later.
And you can learn a lot about the research tools which are used to do the work. Like the ROV Hercules (which i mention earlier)
Here some more info about this ROV
General
DEPTH CAPABILITY 6,000 meters (19,685 feet)
TETHER 30–45 meters (98.4–147.6 feet), 20 millimeters (0.79 inches) diameter, neutrally buoyant
SIZE 1.4 meters long × 1.0 meters wide × 1.2 meters tall
WEIGHT 400 kilograms (900 pounds) in air. 100 lbs payload
MAXIMUM TRANSIT SPEED 2 knots
ASCENT/DESCENT RATE 20–30 meters/minute, (65–98 feet/minute) max
PROPULSION Four Tecnadyne Model 1020 thrusters for heading control
Another ROV is the Argus
DEPTH CAPABILITY 6,000 meters (19,685 feet), currently limited to 4,000 meters
CABLE 7,000 meters (14, 764 feet), 0.681 electro-optical, 3x #11 conductors, 4x SM fibers
SIZE 3.8 meters long × 1.2 meters wide × 1.3 meters high
WEIGHT 2,100 kilograms (4,700 pounds) in air. 3000 pounds in water
MAXIMUM TRANSIT SPEED 2 knots
ASCENT/DESCENT RATE 30 meters/minute, (98 feet/minute) max
PROPULSION Two Tecnadyne Model 1020 thrusters for heading control
The Nautilus is also equipped with an Acoustic Systems to scan the ocean floor and create detailed maps
And more
So if you interested in this kind of technology and want to learn more, you need to check nautiluslive.org out! and you will not be disappointed.
Stay curious and enjoy!
source of pictures and quotes from
nautiluslive.org
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Amazing😍 thanks a lot🙏
this post is beautiful. the exploration of the seabed is really very fascinating
Thats is what in think too. There is so much unexplored and what you see down there seems like from a different world! Thank you for your nice comment!
great share, checking out the live stream now !1UP
Year the live stream is awesome, I love the details too like you can see the deepth of the rover on the side of the screen. Thank you for your comment!!!