Physics The Power Of Science

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इलेक्ट्रिक ईल (विद्युत सर्प) अपने शरीर में विशेष कोशिकाओं, जिन्हें इलेक्ट्रोसाइट्स कहते हैं, के माध्यम से उच्च वोल्टेज प...
27/06/2025

इलेक्ट्रिक ईल (विद्युत सर्प) अपने शरीर में विशेष कोशिकाओं, जिन्हें इलेक्ट्रोसाइट्स कहते हैं, के माध्यम से उच्च वोल्टेज पैदा करती है। ये कोशिकाएँ ईल के शरीर के लगभग 80% हिस्से में, विशेष रूप से पूँछ और पेट के क्षेत्र में, श्रृंखला में व्यवस्थित होती हैं। यहाँ इसकी प्रक्रिया संक्षेप में है:

इलेक्ट्रोसाइट्स का कार्य: प्रत्येक इलेक्ट्रोसाइट एक छोटी बैटरी की तरह काम करती है। ये कोशिकाएँ सोडियम और पोटैशियम आयनों को नियंत्रित तरीके से अपनी झिल्ली के पार ले जाती हैं, जिससे विद्युत धारा उत्पन्न होती है।

श्रृंखला में व्यवस्था: हजारों इलेक्ट्रोसाइट्स एक साथ श्रृंखला में जुड़े होते हैं, जिससे छोटे-छोटे वोल्टेज आपस में जुड़कर कुल मिलाकर 600 से 860 वोल्ट तक की शक्ति पैदा करते हैं।

तंत्रिका तंत्र का नियंत्रण: ईल का तंत्रिका तंत्र इन कोशिकाओं को एक साथ सक्रिय करता है, जिससे तुरंत उच्च वोल्टेज का झटका उत्पन्न होता है। यह झटका शिकार को लकवा मारने या शत्रुओं को भगाने के लिए उपयोग होता है।

ऊर्जा स्रोत: ईल अपने भोजन से प्राप्त ऊर्जा का उपयोग इन कोशिकाओं को चार्ज करने में करती है, जो एक जैव- रासायनिक प्रक्रिया के माध्यम से विद्युत में परिवर्तित होती है।

यह प्राकृतिक अनुकूलन इलेक्ट्रिक ईल को पानी में शिकार करने और आत्मरक्षा के लिए प्रभावी बनाता है।

The water dripping out is same as the water droplets which forms over a cold water bottle when it is placed outside the ...
26/06/2025

The water dripping out is same as the water droplets which forms over a cold water bottle when it is placed outside the refrigerator.

An air conditioner sucks in the outside air and passes it over fin-like projections, which have been cooled by the compressor. It cools the inside of a room while heating the outside. The outside air is not only hot but often it is also quite humid when passed over the cold fins the temperature of air drops below the dew point and excess moisture condenses out.
This condensed moisture is the water which drips out of your AC machine.

In a humid day, you will find lot of water coming out of your AC than on a normal day.

Spiders can walk on walls against gravity due to tiny hair-like structures called setae on their legs. These setae are c...
26/06/2025

Spiders can walk on walls against gravity due to tiny hair-like structures called setae on their legs. These setae are covered with even smaller spatulae that create strong adhesive forces through van der Waals interactions, allowing them to stick to surfaces. Additionally, some spiders use a combination of adhesive pads and claws to grip irregularities in the surface, providing the necessary traction.
These adaptations exploit physical properties rather than requiring strength, making it possible for them to defy gravity.

Walking on Water: Some insects, like mosquito & water striders, use property of surface tension. Their lightweight bodie...
26/06/2025

Walking on Water:
Some insects, like mosquito & water striders, use property of surface tension. Their lightweight bodies and long, hydrophobic (water-repellent) legs spread their weight, allowing them to stay on the water's surface without breaking through. The water's surface tension acts like an elastic film supporting them.

27/01/2025

A beautiful ghazal by Baljit Singh, Punjabi Teacher, G.S.S.S. Thol (KKR)

25/11/2024

Impossible belt balance

This is an amazing activity in which we have made a balancing hook on which a belt is placed and it balances itself on the finger. This is an amazingly surprising activity based on the center of gravity.

17/11/2024

Friends, Is it true that water always mixes with water? Is the density of water affected by its temperature? Can you always mix hot and cold water? If you have similar questions, you've come to the right place. We're here to answer to these questions through a fun science experiment! Watch the video to find out.
Also, can you tell what would happen if we performed the same experiment with saltwater and freshwater? Let us know the answer in the comments below.


01/03/2024

Why do iron lose its magnetic properties on heating?

01/02/2024

"Manganese traffic light" experiment
How to make a solution which changes its colour like a chameleon using potassium permanganate?

This is a redox reaction in which the permanganate ion is reduced and the glucose is oxidised. Potassium permanganate is usually used in acid solution and under these conditions is a very powerful oxidising agent in which the manganese is reduced from the oxidation state of +7 to +2 with a colour change from purple to colourless (actually extremely pale pink). In alkaline solution manganese is only reduced from +7 to +6 changing colour from purple to green. The green manganate(VI) ion is unstable and slowly disproportionates to manganate(VII) (purple) and manganese(IV) oxide which is brown. The manganate(VII) goes on to react as before until the brown manganese(IV) oxide is all that remains. In an alkaline solution this tends to form a colloidal suspension which (if fairly dilute) can appear orange. The oxidation of the glucose forms no coloured products.

12/12/2023

An amazing activity based on centrifugal force. Share it with your friends...

14/11/2023

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The water coming out looks like it has been frozen but actually it is flowing? How this happens? Do it yourself.

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