Search results

Welcome to our Coral Heads Community Forum and Chat
Coral Heads is an Island Lifestyle Company.
We are dedicated to providing educational videography of coral reefs, artificial reefs, and shipwrecks!
Wanting to explore with the rest of our members? Feel free to become a member today.
Explore as a Coral Heads Community Forum Member Now!

Coral Heads is an Island Lifestyle Company!

We share amazing video of Coral Reefs, Artificial Reefs, and Shipwrecks.

Documenting our oceans so you may live vicariously through our eyes. Plus we will soon offer private island vacations along with underwater eco-tourism packages!





  1. MarkLaymon

    Florida Sunset - DJI Mavic Mini Drone

    Florida Sunset - DJI Mavic Mini Drone Sharing a Florida Sunset - DJI Mavic Mini Drone in April 2022. #FloridaSunset #DJIMavicMiniDrone #FloridaSunsets #DJIMavicMini #FloridaSunsetDJIMavicMiniDrone #DJIMavicMini #MavicMiniDrone Video is made for Recreational purpose. Passed The Recreational...
  2. MarkLaymon

    DJI Mavic Mini Drone at Lyman Kayak Park in Lantana Florida

    DJI Mavic Mini Drone at Lyman Kayak Park in Lantana Florida Testing New Props for the DJI Mavic Mini Drone at Lyman Kayak Park in Lantana, Florida.
  3. MarkLaymon

    Catching your own food might be bloody

    Catching your own food might be bloody
  4. MarkLaymon

    Inside The $120 Million Cloudbreak Explorer Yacht

    Inside The $120 Million Cloudbreak Explorer Yacht Inside The $120 Million Cloudbreak Explorer Yacht Anything goes on the Cloudbreak explorer yacht: chilling out, partying in the open-air club, surfing, heli-skiing, whale watching. For Cloudbreak to do all this, the technical, design and...
  5. MarkLaymon

    Damen Yachting SeaXplorer 105: luksuzno zatočišče za arktične raziskovalce

    Damen Yachting SeaXplorer 105: luksuzno zatočišče za arktične raziskovalce Najnovejša kolaboracija med Damen Yachting in Azure Yacht Design je kar 105 metrov dolg ultra luksuzni ″ledolomilec″, ki sliši na ime Damen SeaXplorer 105. SeaXplorer 105 je najnovejša različica jahte z dovolj močnim...
  6. MarkLaymon

    Ocean Xplorer 1 Research Vessel Docking In Gibraltar 4K

    OceanXplorer: "A Floating Research Institution" If a submarine takes a scoop of dirt and there's no one there to analyze it, is it exploration? Hard philosophical question we don't have to worry about, since our Swiss-army knife of sampling the depths, the OceanXplorer, is also a "floating...
  7. MarkLaymon

    Seaonics - research vessel Kronprins Haakon

    FF «Kronprins Haakon» FF «Kronprins Haakon» bryter seg gjennom isen på Svalbard. Mai 2018. Kreditering: Marius Bratrein
  8. MarkLaymon

    Seaonics - research vessel Kronprins Haakon

    FF Kronprins Haakon – Norway’s ice-class research vessel The new ice-class vessel “Kronprins Haakon” is one of the world’s most advanced research vessels. This icebreaker-class vessel will work to satisfy both existing and new demands, operating in frozen and open waters at all times of the...
  9. MarkLaymon

    US Has Finally Built Its First Titanium Submarines

    What is the deadliest submarine in the world? Here's Why The Seawolf Are The Most Dangerous Attack Submarines. There may be only three Seawolf-class submarines but are for sure the most deadly of their kind. As we stated earlier, their quiet operations help them stay untainted to enemy sonars...
  10. MarkLaymon

    US Has Finally Built Its First Titanium Submarines

    Why is titanium used for submarines? Titanuim was used by the Soviet Union enabling the submarine to dive to greater depths since the hull is stronger and lighter and therefor resists pressure better than steel.
  11. MarkLaymon

    US Has Finally Built Its First Titanium Submarines

    Are Russian submarines made of titanium? Most notably, their titanium hulls. This unconventional lightweight material made the submarines exceptionally fast – the fastest ever made. Their great hull strength also meant they could dive to much greater depths than then-contemporary submarines.
  12. MarkLaymon

    US Has Finally Built Its First Titanium Submarines

    Is titanium good for submarines? Titanium is stronger and weighs 33 percent less than steel; the pressure hull can be stronger without increasing displacement; its use gives a submarine a stronger hull for greater diving depth and increases resistance to explosives at lesser depths; and the...
  13. MarkLaymon

    US Has Finally Built Its First Titanium Submarines

    Is titanium good for submarines? Titanium is stronger and weighs 33 percent less than steel; the pressure hull can be stronger without increasing displacement; its use gives a submarine a stronger hull for greater diving depth and increases resistance to explosives at lesser depths; and the...
  14. MarkLaymon

    How submarine float and How the submarine really work/Diving and Surfacing

    How is a submarine able to float and sink in water? A submarine uses ballast tanks filled with compressed air and when needed the air is released and takes on water which increases the density making it sink but when the water is pushed out the sub's density is decreased making it float.
  15. MarkLaymon

    How submarine float and How the submarine really work/Diving and Surfacing

    How do submarines rise and sink? In submarines, this is controlled by ballast tanks. When the tanks are empty, the submarine has less mass and it floats like a normal ship. As water is allowed into the tanks, the mass of the submarine increases, the downward gravitational force on the submarine...
  16. MarkLaymon

    How submarine float and How the submarine really work/Diving and Surfacing

    How submarine float? A submarine (or any boat) can float when the mass of water that it displaces (pushes out of the way) is equal to the mass of the boat. This displaced water causes an upward force called buoyancy. Buoyancy acts in the opposite direction to gravity, which would pull the ship down.
  17. MarkLaymon

    Submarine Facts | A Wonder of Modern Science

    Why are submarines called boats? Yet they are traditionally referred to as boats. The original submarines were very small and manned only when in use, so “boat” was appropriate. But as they developed into larger vessels—and rightfully should have been called ships—the original term stuck.
  18. MarkLaymon

    Submarine Facts | A Wonder of Modern Science

    How many submarines are in the ocean right now? Today the Navy operates 68 submarines. The force includes 50 attack submarines (SSNs), 14 ballistic-missile subs (SSBNs) and four cruise-missile subs (SSGNs). All have nuclear powerplants.
  19. MarkLaymon

    Submarine Facts | A Wonder of Modern Science

    Can you survive a tsunami in a submarine? Some small and strong-hulled titanium submarines could survive stronger impacts and tsunami waves, but larger submarines with thinner hulls could be better adapted to long-term survival in a contaminated world.