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Wednesday, May 18, 2022

Explained Sci-Tech


Explained: What is Apple's new 'Door Detection' feature and how does it work?

May 18, 2022 2:24 pm

Apple said in a statement that this feature can help users, who are blind or have low vision, locate a door upon arriving at a new destination, understand how far they are from it, and describe door attributes — including if it is open or closed, and when it’s closed, whether it can be opened by pushing, turning a knob, or pulling a handle.

Explained: What do we know about the debris that 'fell from the sky' in Gujarat?

May 17, 2022 12:44 pm

On May 12, villagers in Gujarat got confused and curious as fragments of suspected debris "fell from space" at three locations — Bhalej, Khambholaj, and Rampura. What do we know about the debris?

Explained: The black hole at the centre of Milky Way, photographed for the first time

May 17, 2022 12:41 pm

The photograph provides evidence that the object at the centre of the Milky Way, which has been a subject of speculation for decades, is indeed a black hole.

Explained: Why Luna crash has raised questions about stability of crypto assets

May 14, 2022 2:34 pm

The sharp crash in Luna, the sister cryptocurrency of algorithmic stablecoin Terra, has sent shockwaves throughout the cryptocurrency market. What has happened, and what impact could it have?

Explained: Why has Elon Musk put the Twitter deal on hold?

May 14, 2022 2:39 pm

Elon Musk cited pending details to support the microblogging site’s claim that spam or fake accounts were less than 5 per cent of its total user base.

Explained: CERT-In's new cybersecurity norms, and why it is likely to issue a clarification about them

May 13, 2022 3:10 pm

CERT-In is learnt to be working on releasing more details of the cybersecurity directive issued in April, which has been opposed by industry stakeholders. According to sources, the agency could clarify that the norms apply only to VPN providers who offer "Internet proxy like services" to "general Internet subscribers", and not to corporate VPN service providers.

Explained: What is a 'marsquake', and what causes it?

May 11, 2022 11:57 am

On May 4, NASA's InSight lander detected a quake on Mars, the largest ever observed on another planet. What is a 'marsquake', and what causes it?

Explained: What is the Rocket-Propelled Grenade, used in attack on Punjab Police Intelligence HQ in Mohali?

May 10, 2022 11:53 pm

The weapon recovered after the attack on the Punjab Police's Intelligence headquarters in Mohali was identified as a Rocket-Propelled Grenade (RPG). What exactly is an RPG, what are its origins, and what damage can it cause?

Explained: Why VPN providers believe new rules will undermine users’ privacy

May 07, 2022 3:35 pm

Citing objectives such as fighting cybercrime and invoking India’s sovereignty, integrity and public order, an April 26 directive from Cert-In, a wing of the Ministry of Electronics and Information Technology, mandated that virtual private network (VPN) providers should keep for five years data including users’ contact details, original and faux IP addresses, and their purpose behind using the services.

Explained: Why Neeraj Arora said he regrets brokering deal between WhatsApp and Facebook

May 06, 2022 9:45 pm

Arora said that the founding team of WhatsApp had made three demands about the future of the messaging service at the time of the acquisition — no mining of user data, no ads and no cross-platform tracking.