Category: Did You Know

A lighthouse and pine tree in shadow at sunset. The words Did You Know are in blue at the base of the image
Did You Know

Did You Know – Medical Applications with Sandcastle Worms, Crabs and Seaweeds

Sandcastle worms are fascinating marine critters. If you have visited the tidepools, you may have seen their homes. But you never see the worms during low tides because they are hunkered down inside their home. Look at the images below from iNaturalist to see these remarkable critters. Learn how they and crabs are being used in medical applications. Sandcastle worms, scientifically known as Phragmatopoma californica, … Continue reading Did You Know – Medical Applications with Sandcastle Worms, Crabs and Seaweeds

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A lighthouse and pine tree in shadow at sunset. The words Did You Know are in blue at the base of the image
Cabrillo, Did You Know, TPERP

Did You Know – Concretions – What are They?

Have you noticed those circles around the tidepool entrance? They’re not dinosaur footprints or asteroid impact craters. They’re concretions, a fascinating geological feature. Let’s dive into what makes them so special. A concretion is a solid, tightly packed mass of minerals that forms inside sedimentary rock, often with a round shape. Concretions happen when minerals from groundwater settle and stick the sediment together, usually around … Continue reading Did You Know – Concretions – What are They?

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A lighthouse and pine tree in shadow at sunset. The words Did You Know are in blue at the base of the image
Did You Know

Did You Know – What is that Dome Structure?

Have you ever been traveling out to Cabrillo National Monument and wondered what that dome shaped framework structure was along the road? How about that large round “swimming pool” off to the side? And what about all those model ships that are near the Federal Firestation? These are some of the questions Cabrillo volunteers get asked while working out at Cabrillo. Well we have those … Continue reading Did You Know – What is that Dome Structure?

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A lighthouse and pine tree in shadow at sunset. The words Did You Know are in blue at the base of the image
Did You Know

Did You Know? Desalination Plant in Point Loma

The first desalination plant in California was constructed at the tip of Point Loma in the 1960s. The plant was built in an area adjacent to where the current Cabrillo tidepool parking lot is located. NAVWAR now occupies the buildings where the desalination plant existed. Let’s dive into the history of this plant and how it came to be built in Point Loma. The United … Continue reading Did You Know? Desalination Plant in Point Loma

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Plaques on a hill overlooking the ocean, describing early aviation pioneers
Did You Know

Did You Know – Sailplane Landmark

Have you seen this on the way into the park? Do you know what it is? Unofficially referred to as the “Little Monument”, this landmark is dedicated to the early sailplane flights that occurred here. It is easy to miss as you enter the park. It is on the right hand side of the road, just pass the road to Upper Maintenance, and just before … Continue reading Did You Know – Sailplane Landmark

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A lighthouse and pine tree in shadow at sunset. The words Did You Know are in blue at the base of the image
Did You Know

Did You Know – What’s the Difference Between a Hurricane, Typhoon and a Cyclone?

Since we are in the middle of Hurricane season we thought we share this tidbit. The only difference between a hurricane and a typhoon is the location where the storm occurs. Hurricanes and typhoons are the same weather phenomenon: tropical cyclones.  A tropical cyclone is a generic term used by meteorologists to describe a rotating, organized system of clouds and thunderstorms that originates over tropical or subtropical waters and … Continue reading Did You Know – What’s the Difference Between a Hurricane, Typhoon and a Cyclone?

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