STEM Global MEDIA

24/04/2026

WHY ROADS “TILT” ON CURVES — THIS COULD SAVE YOUR LIFE

When a road bends, vehicles experience an outward push due to Centrifugal Force. If nothing is done, cars can skid or overturn.
So engineers design something called Superelevation — a slight tilting of the road surface.

👉 Here’s what happens step by step:
A: Normal flat road (safe for straight driving)
B → C: Road gradually tilts (transition begins)
D: Fully tilted curve (maximum safety on the bend)
E → F → G: Road returns back to normal

⚙️ This gradual change is called a transition, and it ensures:

✔️ Smooth driving
✔️ Better vehicle stability
✔️ Reduced accident risk
💡 Simple idea:
The road leans into the curve so your car doesn’t fly out of it.

📌 Next time you’re on a curved road, notice the tilt —
That’s engineering protecting your life in real time.

STEM Corner

19/04/2026

Railway track foundation and structure

19/04/2026

This diagram shows how water moves in a simple house plumbing system:

The water tank stores water and sends cold water (blue pipe) through the house. That cold water supplies the toilet and also goes to the sink.

Some of the cold water also enters the water heater, where it is heated.

The heater then sends hot water (red pipe) through separate pipes to places that need warm water, like the sink (and normally showers too).

03/06/2024

The final steel girder of the Changtai Yangtze River Bridge was placed on May 29, 2024.

This bridge, connecting Changzhou and Taixing in Jiangsu Province, is the world’s longest span cable-stayed bridge with a main span of 388 meters.

Notably, it features a dual-use design accommodating both highway and railway traffic, significantly enhancing regional connectivity​.

STEM Corner

03/06/2024

31/05/2024

What do you think?

Is this true or false?
If you live in India, have you experienced this?

31/05/2024

Look outside the box and say what's wrong about this picture.
What's wrong here?

31/05/2024

SPACEPORT AND WHAT YOU SHOULD KNOW ABOUT IT.

A spaceport, also known as a cosmodrome, is a site for launching (or receiving) spacecraft. It functions similarly to an airport, but for spacecraft instead of airplanes. Here are 10 vital facts about spaceports:

1. Purpose: Spaceports are designed for launching, receiving, and maintaining spacecraft. They can support satellite launches, manned missions, and space tourism.

2. Location: Spaceports are often located near the equator to take advantage of the Earth's rotational speed, which helps rockets achieve the necessary velocity for orbit.

3. Infrastructure: A typical spaceport includes launch pads, control centers, hangars for vehicle assembly and storage, tracking and telemetry stations, and sometimes runways for spaceplanes.

4. Types of Launch Pads: There are fixed launch pads for vertical launches and mobile launch pads that can be repositioned. Some spaceports also have water-based platforms for ocean launches.

5. Safety Measures: Spaceports are equipped with extensive safety protocols, including blast protection, evacuation routes, and fire suppression systems to handle accidents or malfunctions during launches.

6. Environmental Impact: The construction and operation of spaceports can have significant environmental impacts, including habitat disruption and pollution from rocket fuels. Mitigating these effects is a key concern.

7. Economic Impact: Spaceports can drive economic growth in their regions by creating jobs, stimulating local businesses, and attracting investment in technology and tourism.

8. Budget: The cost to build a spaceport can vary widely but typically ranges from hundreds of millions to billions of dollars. For example, the spaceport at the Kennedy Space Center in Florida has an estimated cost of around $5 billion.

9. Regulation and Licensing: Spaceports operate under strict regulations and require licensing from national and international space agencies. In the U.S., the Federal Aviation Administration (FAA) oversees spaceport licensing.

10. Notable Spaceports: Some of the world's most well-known spaceports include Kennedy Space Center (USA), Baikonur Cosmodrome (Kazakhstan), Guiana Space Centre (French Guiana), and Vostochny Cosmodrome (Russia). These facilities have been crucial to major space missions and satellite launches.

STEM Corner

31/05/2024

HYPERION, THE TALLEST TREE IN THE WORLD
Facts about Hyperion:

1. Hyperion is the tallest tree in the world.

2. It stands at 115.55 meters (379.1 feet).

3. Located in Redwood National Park, California.

4. It surpasses landmarks like the Statue of Liberty and Big Ben.

5. Equivalent in height to a 35-story building.

6. Estimated age: 700 to 800 years old.

7. Contains approximately 530 cubic meters (18,600 cubic feet) of wood.

8. Discovered in August 2006.

9. A coast redwood (Sequoia sempervirens) species.

10. The exact location is kept secret to protect it from damage.

📸 Massimo X

STEM Corner

31/05/2024

Google has become so powerful that it "hides" other search systems from us. We just don't know the existence of most of them.

Now, look down and see number of excellent searchers in the world who specialize in books, science, other smart information.

Keep a list of sites you never heard of.

www.refseek.com
- Academic Resource Search. More than a billion sources: encyclopedia, monographies, magazines.

www.worldcat.org
- a search for the contents of 20 thousand worldwide libraries. Find out where lies the nearest rare book you need.

https://link.springer.com
- access to more than 10 million scientific documents: books, articles, research protocols.

www.bioline.org.br is a library of scientific bioscience journals published in developing countries.

http://repec.org
- volunteers from 102 countries have collected almost 4 million publications on economics and related science.

www.science.gov is an American state search engine on 2200+ scientific sites. More than 200 million articles are indexed.

www.base-search.net is one of the most powerful researches on academic studies texts. More than 100 million scientific documents, 70% of them are free