Did You Know ?
1. The Birth of the Credit Card
- In 1950, a man named Frank McNamara forgot his wallet when he went out for dinner in New York City.
- Because he couldn't pay the bill, this event gave him the idea for the credit card.
- His idea led to the creation of the Diners Club card.
- The Diners Club card was the first modern credit card.
- McNamara's inconvenient moment of forgetting his money started a big change in how we pay for things.
2. The Infinite Capacity of the Human Brain
- Our brain's memory is basically unlimited.
- Research shows that even if we read everything on the internet, our brain could store all that information easily.
- Our brain has an amazing ability to store huge amounts of memories.
- The capacity of the human brain for memory is truly remarkable.
3. The ENIAC: World’s First Computer
- The world's first computer was called ENIAC (Electronic Numerical Integrator and Computer).
- ENIAC was extremely large, measuring 30-50 feet in length and it weighed an enormous 30 tons.
- ENIAC took up an entire room due to its massive size.
- It contained 17,400 tubes and 10,000 capacitors.
- Running ENIAC required 150,000 watts of electricity.
- Despite its huge size, ENIAC had less processing power than a simple calculator today.
4. The Fastest Badminton Smash
- The world's fastest badminton smash was made by an Indian player named Satwiksairaj Rankireddy.
- His badminton smash reached an extremely fast speed of 565 km/h.
- The speed of his smash is similar to the speed of a bullet train.
- To give an idea, a bullet train travels at very high speeds.
5. The Caloric Content of Water and Fuel
- 1 liter of water has 0 calories. Water provides no energy.
- 1 liter of diesel or gasoline contains about 8,700 calories.
- This shows fuels like diesel and gasoline have a lot of energy compared to water.
- The difference in calories between water and fuel is extremely large.
6. The Rare Green Sand Beaches
- Green sand beaches are very rare, with only four places in the world having them.
- The four locations are Hawaii, Guam, the Galapagos Islands, and Norway.
- The green color comes from the mineral olivine found in lava rock.
- Olivine is common on Hawaii's Big Island, creating the green sand there.
7. The Acnestis: The Untouchable Spot
- The acnestis is a spot on your body that you cannot fully touch or scratch.
- For most people, it is located on the back between the shoulder blades.
- This area is hard to reach, making it frustrating if you get an itch there.
- About 90% of people have difficulty accessing this particular spot on their back.
8. The Kurkure Divorce Case
Source: NDTV
- A woman from Agra, Uttar Pradesh, asked for divorce from her husband.
- The reason was that he failed to bring her a packet of Kurkure snacks daily.
- The woman was reportedly addicted to Kurkure, which costs only 5 rupees.
- She demanded that her husband get her the snack every single day.
9. Tongue Print Home Lockers
- Some home lockers can be unlocked using a person's unique tongue print.
- Just like fingerprints, every person's tongue print is different.
- Using tongue prints provides a secure and innovative way to unlock personal safes.
- This technology adds an extra level of security for protecting valuable belongings at home.
10. The Safety of Household Lizards
- A bite from a household lizard is not dangerous.
- Historically, home lizards have never posed a threat to humans.
- Unlike some wild lizards, common house lizards are harmless.
- A house lizard bite will not harm you or put you in any danger.
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