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Twitter and Mastodon logos are seen in this illustration taken November 7, 2022. (Reuters: Dado Ruvic)

What is Mastodon, and why are so many users leaving Twitter to join it?Subscriber Only

November 12, 2022 11:39 IST

Here's a primer on Mastodon, how it is different from Twitter, and why users are choosing to join Mastodon post Musk’s ownership of the microblogging giant.

This photo shows the space shuttle Challenger lifting off with a crew of seven astronauts in Cape Canaveral, Florida, on Jan. 28, 1986. (Credit: NASA)

Challenger debris recovered: What was the space shuttle disaster and how NASA’s safety rules evolvedSubscriber Only

November 12, 2022 11:24 IST

Thirty seven years ago, on January 28, 1986, the Challenger spaceship suffered a major malfunction less than 2 minutes into its flight and exploded. What was its mission, and what went wrong? What changed after the disaster?

The mission will help the company test its systems in space. (Source: @SkyrootA)

India’s first private satellite vehicle to launch today: All you need to know about Vikram S, and why it is a big dealSubscriber Only

November 18, 2022 08:53 IST

Skyroot, which has built Vikram, claims launching satellites to space could 'soon become as easy as booking a cab'. How will Vikram contribute to this ambitious goal? Why do so many satellites need to be launched at all? We explain.

Musk said Twitter previously issued a warning before suspension, but as Twitter is rolling out widespread verification, there will be no warning as well as "no exceptions."(File photo)

Account suspended: What is Twitter’s policy on ‘impersonations’?Subscriber Only

November 10, 2022 08:02 IST

Elon Musk has said that handles engaging in impersonation without clearly specifying 'parody' will be permanently suspended. Twitter has already cracked down on well known handles that changed their user name to Musk's.

Marie Curie

Recalling the legacy of Marie Curie on her 155th birth anniversarySubscriber Only

November 7, 2022 18:24 IST

Marie Curie won the Nobel Prize twice, in two different fields of science (first in Physics and then Chemistry), a feat yet to be replicated more than a century later.

NASA has said coronal holes are important for understanding the space environment around the earth through which technology and astronauts travel. (Photo via Twitter.com/NASASun)

Why the sun was ‘smiling’ in an image shared by NASASubscriber Only

November 2, 2022 10:30 IST

A phenomenon called "coronal holes" was spotted on the sun. How does it occur and does it have any impact on life on earth? We explain.

Elon Musk's photo is seen through a Twitter logo in this illustration taken October 28, 2022. (Reuters Illustration: Dado Ruvic)

Under Elon Musk, how Twitter will change as a private companySubscriber Only

October 30, 2022 10:42 IST

Elon Musk, who did not take Tesla private, is doing so with Twitter. As part of his $44 billion acquisition of the social media service, he is delisting the company’s stock and taking it out of the hands of public shareholders. This gives him some advantages.

Musk said in the post that Twitter would not become a “free-for-all hellscape”, meaning there will be some limitations on what content can be posted. (Image Source: Reuters)

What is the future of Twitter under Elon Musk?Subscriber Only

October 29, 2022 07:18 IST

Elon Musk Twitter takeover explained: The billionaire businessman fired members of Twitter's top brass, such as CEO Parag Agrawal, soon after finalising the purchase.

Anti-trust cases against Google, how regulator decided fineSubscriber Only

October 27, 2022 08:00 IST

Apart from levying a total fine of over Rs 2,000 crore, the anti-trust body has issued a slew of directions that could impact Google’s business.

Google has been given 30 days to provide the requisite financial details and supporting documents.

Why has CCI fined Google again, this time for its Play Store policies?Subscriber Only

October 26, 2022 13:24 IST

The CCI directed Google to modify its conduct within a defined timeline. This includes allowing mobile app developers to use third-party payment services on its app store. What does this mean? We explain.

It’s not legal to carry a satellite phone in India unless you have permission. (Source: Wikimedia Commons/Used for representational purposes)

Satellite phones: What are they, and why is their use restricted in India?Subscriber Only

October 26, 2022 11:49 IST

A senior executive of Saudi Aramco was arrested and jailed in Uttarakhand's Chamoli district for using an unauthorised satellite phone. What's wrong with carrying a satellite phone? What does the law say in India?

Romanian soldiers with a HAWK PIPIIIR ground-to-air missile launch pad during a joint exercise with the US in November 2016. (Reuters Photo/File)

This Word Means | HAWK air defence equipment

October 27, 2022 07:51 IST

US to pull out of storage upgraded Vietnam war-era weapons to supply to Ukraine as Russian missile rain continues

Indian Space Research Organisation (ISRO)'s heaviest rocket LVM3-M2 lifts-off from the second launch pad at the Satish Dhawan Space Centre in Sriharikota, Sunday, Oct. 23, 2022. (PTI Photo/R Senthil Kumar)

The heaviness of rockets, why it matters in space flightSubscriber Only

October 26, 2022 07:00 IST

Size of launch vehicle is dictated by the destination it is headed towards, the kind of fuel — solid, liquid, cryogenic, mix — and the size of the payload.

Based on where it is being viewed from India, the start, maximum eclipse, and end time can vary. (Representational Image)

Partial solar eclipse in India: what, where, when and how

October 25, 2022 14:53 IST

Partial solar eclipse: It will be visible from parts of Europe, western Asia and northeast Africa. Most of India, except the southern-most areas, can witness the Sun's partial eclipse today.

The WhatsApp logo is seen in this Reuters illustration. (Dado Ruvic)

WhatsApp outage: why were services down?Subscriber Only

October 26, 2022 07:08 IST

WhatsApp outage: The user bases of services like WhatsApp and Facebook are enormous — handling these volumes is something that most Internet companies are learning on the go. Also, there is growing dependence on third party services to manage these users.

Neandertal family, Neandertal family in russian caves, svante paabo, express explained, indian express

What was Neanderthals’ family life like? DNA grants a glimpseSubscriber Only

October 23, 2022 06:09 IST

Nobel laureate Svante Paabo and his team have just published one of the biggest genetic studies yet of Neanderthals, providing clues about their community life and structure. What are the study's findings, how were they arrived at, and what is their significance?

Icebergs in the High Arctic.

What ‘viral spillover risk’ means, and how it could lead to new pandemicsSubscriber Only

October 22, 2022 07:59 IST

Climate change could shift the species range of certain viral vectors and reservoirs northwards, according to a new research article.

Through the Telecommunication Bill, the Centre aims to consolidate and amend the existing laws governing the provision, development, expansion and operation of services, networks and infrastructure. (Express Photo: Tashi Tobgyal)

An Expert Explains: The legal implications of the Draft Telecommunication Bill 2022Subscriber Only

October 15, 2022 14:44 IST

The Department of Telecom has released the draft Indian Telecommunication Bill, 2022 — aimed at reforming existing telecom laws and regulations, and making them 'future ready' — for public comment. A look at what the Bill underlines.

A conceptual drawing of INS Arihant (Source: Wikimedia Commons)

SLBM launch by INS Arihant: Why this successful test is important for India’s credible nuclear deterrenceSubscriber Only

October 15, 2022 11:50 IST

INS Arihant is India’s first indigenous nuclear powered ballistic missile capable submarine. India has developed a range of ‘K’ family SLBMs, long-range missiles that can be launched from submarines.

The dispute is now in the Supreme Court. It remains to be seen what direction the arguments take, and whether any of these methods are explored. (Express photo by Renuka Puri)

What is carbon dating, and how does the Varanasi court order impact the dispute?Subscriber Only

October 15, 2022 18:22 IST

The Hindu side had petitioned the court for a scientific investigation of the structure that some believe is a Shivling at the Gyanvapi Mosque site. The court has rejected the plea.

Netflix said that a “limited” number of shows will not be available in this particular tier due to licensing restrictions which the company is “working on” to sort out. Users will also not be able to download titles. (Credit: Pixabay)

What happens if (and when) Netflix introduces its new ‘with-ads’ plan in India?Subscriber Only

October 14, 2022 15:57 IST

For the first time, Netflix has announced a ‘basic with ads’ plan for the US and 11 other countries. It costs $6.99 in the US, which is more than the current 'standard' ad-free plan in India that costs Rs 499

The Ministry of Electronics and Information Technology set up a task force in May 2022 to propose legislation to regulate online gaming in India. (File photo)

The online gaming market in India, and proposed rules to regulate itSubscriber Only

October 10, 2022 06:47 IST

A task force set up the Ministry of Electronics and Information Technology has prepared a final report of its recommendations to regulate the online gaming industry in India. Here's a look at what it has suggested

SpaceX owner and Tesla CEO Elon Musk smiles at the E3 gaming convention in Los Angeles, California, U.S., June 13, 2019. (Reuters Photo: Mike Blake)

What does X mean to Elon Musk?Subscriber Only

October 7, 2022 14:01 IST

On Tuesday, Elon Musk tweeted: "Buying Twitter is an accelerant to creating X, the everything app." What is X, and how does Twitter factor into it? What is the history behind X?

Elon Musk's Twitter profile is seen on a smartphone placed on printed Twitter logos in this picture illustration taken April 28, 2022. (Reuters: Dado Ruvic)

How will Elon Musk pay for Twitter?

October 7, 2022 10:35 IST

Elon Musk has pledged to provide $46.5 billion in equity and debt financing for the acquisition of Twitter, which covers the $44 billion price tag and closing costs. What is his financing plan?

Elon Musk is thinking about creating an "everything app". (Reuters Illustration: Dado Ruvic)

Elon Musk wants to create an ‘everything app’; what is it?

October 6, 2022 07:29 IST

The concept of an everything app, often referred to as a "super app," is massively popular in Asia and tech companies across the world have tried to replicate it. What is it, and why does Elon Musk want to make one?

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