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✅Gs-3 : Science and technology- Space communication

📍Context : Psyche Spacecraft Experiment: NASA's spacecraft successfully tested a laser signal to Earth over 16 million km.

➡️Now Use this article as a chance to understand the basics of Electromagnetic spectrum- underlined in Red- Click here

➡️Data Transmission in Space:
⚜️Current Method: Mostly via radio waves with longer wavelengths and lower frequencies.
⚜️Challenge: Radio waves are susceptible to interference and offer limited data bandwidth.

⚠️Significance : Deep Space Optical Communications (DSOC)-Uses near-infrared laser signals for higher bandwidth communication.
🅾️Advantage: At least 10 times more data transfer than current radio systems; less interference.

@hinduhighlights for News analysis
@upschighlights - Relevant hashtags for Prelims- Click here

🎖Please Subscribe : Youtube.com/vikaskanukollu

VK IAS - (Science and technology)
Forwarded from VK IAS by Vikas kanukollu (VK)
✅Gs-3 : Science and technology- Space communication

📍Context : Psyche Spacecraft Experiment: NASA's spacecraft successfully tested a laser signal to Earth over 16 million km.

➡️Now Use this article as a chance to understand the basics of Electromagnetic spectrum- underlined in Red- Click here

➡️Data Transmission in Space:
⚜️Current Method: Mostly via radio waves with longer wavelengths and lower frequencies.
⚜️Challenge: Radio waves are susceptible to interference and offer limited data bandwidth.

⚠️Significance : Deep Space Optical Communications (DSOC)-Uses near-infrared laser signals for higher bandwidth communication.
🅾️Advantage: At least 10 times more data transfer than current radio systems; less interference.

@hinduhighlights for News analysis
@upschighlights - Relevant hashtags for Prelims- Click here

🎖Please Subscribe : Youtube.com/vikaskanukollu
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Telegram Be The Next Best SPAC

I have no inside knowledge of a potential stock listing of the popular anti-Whatsapp messaging app, Telegram. But I know this much, judging by most people I talk to, especially crypto investors, if Telegram ever went public, people would gobble it up. I know I would. I’m waiting for it. So is Sergei Sergienko, who claims he owns $800,000 of Telegram’s pre-initial coin offering (ICO) tokens. “If Telegram does a SPAC IPO, there would be demand for this issue. It would probably outstrip the interest we saw during the ICO. Why? Because as of right now Telegram looks like a liberal application that can accept anyone - right after WhatsApp and others have turn on the censorship,” he says.

✅Gs-3 : Science and technology- Space communication

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Telegram Q&A
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Telegram is a messaging app with a focus on speed and security, it’s super-fast, simple and free. You can use Telegram on all your devices at the same time — your messages sync seamlessly across any number of your phones, tablets or computers.

Q: Who is Telegram for?

Telegram is for everyone who wants fast and reliable messaging and calls. Business users and small teams may like the large groups, usernames, desktop apps and powerful file sharing options. You can appoint admins with advanced tools to help these communities prosper in peace. Public groups can be joined by anyone and are powerful platforms for discussions and collecting feedback.In case you're more into pictures, Telegram has animated gif search, a state of the art photo editor, and an open sticker platform (find some cool stickers here or here). What's more, there is no need to worry about disk space on your device. With Telegram's cloud support and cache management options, Telegram can take up nearly zero space on your phone.

Q: How is Telegram different from WhatsApp?

Unlike WhatsApp, Telegram is a cloud-based messenger with seamless sync. As a result, you can access your messages from several devices at once, including tablets and computers, and share an unlimited number of photos, videos and files (doc, zip, mp3, etc.) of up to 2 GB each. And if you don't want to store all that data on your device, you can always keep it in the cloud.Thanks to our multi-data center infrastructure and encryption, Telegram is faster and way more secure. On top of that, Telegram is free and will stay free — no ads, no subscription fees, forever.

Q: Can I make calls via Telegram?

Yes! Voice calls are currently available to users around the world.

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