Prochik Explains

Amazing things from Israel and around the world, explained simply.
History, archaeology, science, technology, nature and more.

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Welcome to Prochik Explains.

Stories about Israel, science, history, nature, technology and more.

I find surprising things, check the facts and explain what is actually happening.

Follow for new stories.

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More fascinating places, history, and discoveries on Prochik Explains:

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Luke Skywalker’s home from Star Wars is real. You can even stay there!

In Matmata, Tunisia, people have carved homes into the earth for centuries. Their underground design helps keep rooms cool in the desert heat.

📷 Tanya Dedyukhina / CC BY 3.0
TOUMOU, Yamen / CC BY-SA 4.0

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Hotel Sidi Driss became Luke’s home in the original 1977 film.

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More stories about Israel, nature, history, and science:

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At Israel’s northern tip, near the Lebanese border, the Mediterranean Sea has carved a network of caves into white limestone cliffs.

This is Rosh Hanikra. Sunlight turns the water turquoise, while waves continue to reshape the caves.

Nature’s work is never finished.

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📷 Photo credits:
1, 2: Davidi Vardi / Pikiwiki Israel, CC BY 2.5
3: Ron Gafni / SkyPics, CC BY-SA 4.0
4: Israel Preker / Pikiwiki Israel, CC BY 2.5

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Nearly 90 years later, the library still operates in its historic building, with original architectural details preserved.

A remarkable piece of Jerusalem’s architectural and cultural history.

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In Jerusalem, there’s a library built to house some 60,000 books rescued from Nazi Germany.

Completed in 1936, the Schocken Library was designed by Erich Mendelsohn, who even designed its door handles..

📷 Rothenberg / CC BY 4.0; Shweky / CC BY-SA 3.0; Hod / CC BY-SA 4.0.

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Built during the Hasmonean period, the aqueduct remained in use, with interruptions and modifications, until the early 20th century.

Ancient engineering that served Jerusalem for nearly 2,000 years.

📌 More discoveries:
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Archaeologists in Israel have uncovered a 300-meter section of a 2,000-year-old aqueduct built to supply Jerusalem with water.

The ancient system stretched 21 kilometers and operated entirely by gravity, without pumps.

📷 Emil Aladjem / Israel Antiquities Authority

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Nothing inside the stone actually moves. Only the reflection of light changes.

Tiger’s eye gets its golden-brown color from iron compounds.

📌 More fascinating facts about nature and science:
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🐅 It looks like golden light is moving inside this stone.

This is tiger’s eye, a variety of quartz. Its tiny, parallel fibrous structures reflect light, creating a shifting bright band.

🎞️ Peltogyne85 / Wikimedia Commons / CC BY-SA 4.0

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Their first arms may not appear until they’re 60–75 years old, and some can live for around 200 years.

So this bobcat might be resting on a cactus that’s been growing for generations. 🌵

More stories:
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In Arizona, bobcats sometimes climb giant saguaro cacti, sharp spines and all! 🌵🐈

These wild cats are excellent climbers. Scaling a cactus can help them escape larger predators, including mountain lions.

📷 National Park Service (NPS), Public Domain

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🌸 Every fall, white flowers up to 6 inches (15 cm) across bloom along Israel’s Mediterranean coast.

The sea daffodil (Pancratium maritimum) opens mainly at night, attracting moths with its fragrance.

An underground bulb helps it survive the dry summer.

🎥 Evgenii Prochik

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And it does all this without a brain like ours.

Its visual system helps it navigate, avoid obstacles, and control its movement.

More science and nature stories:
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A box jellyfish really does have a box-shaped bell.

But the strangest part is its vision: it has 24 eyes arranged in four groups. Some are simple light sensors, while four have lenses and retinas.

📷 Photo by: Southeastern Regional Taxonomic Center/SCDNR

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These remarkable images were captured using the Goode Solar Telescope in California.

Advanced adaptive optics revealed incredibly fine details of the Sun’s plasma.

More fascinating science and discoveries:
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☀️ An ice cube at 10,000°C? On the Sun, almost!

Solar prominences are around 10,000°C, while the surrounding corona can exceed 1 million°C.

🎥 Schmidt et al./NJIT/NSO/AURA/NSF / CC BY 4.0. Video modified.
🎵 AlexGuz / Darkness Cinematic Sport Trailer

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A bird that normally migrates from North America to South America unexpectedly appeared in Israel!

On October 16, a juvenile Buff-breasted Sandpiper was spotted in the Negev Desert.

Only the second recorded sighting in Israel!

📷 Stephan Sprinz / Wikimedia Commons / CC BY 4.0