Tanmay Singal

🇮🇳 in 🇩🇪.
Quantum computing researcher. Into all things math. Also a callisthenics enthusiast, and Alpine hiker (whenever I can).
🏳️‍🌈

[Tanmay Singal @tanmay_singal]

New work.

https://t.co/nEBgkviPPy

We give the symmetry groups for the stabilizer polytope for a system of n qudits with d is a prime. For qubit systems, the symmetry group is the extended Clifford group, a result that was proved by @markusheinrich_ & Gross in [1]. 1/2

[Andrew Gordon Wilson @andrewgwils]

However the exodus of physicists has had a transformative effect on the rest of science: neuroscience, biophysics, and, of course, AI. The technical foundations, intuitions, and creativity brought by physicists has raised the bar across the scientific effort. 2/2

[Andrew Gordon Wilson @andrewgwils]

People don’t leave physics because it’s not interesting. Nothing is more exciting than physics: gravitational time dilation, quantum entanglement… uncovering the fundamental nature of the universe. People leave because there are no career options and progress is hard. 1/2

[ℏεsam @Hesamation]

this rumor that Anthropic has solved a Millennium Prize Problem is getting very interesting.

Terence Tao a few hours ago:

[D U N E @AchoDune]

Me hace gracia que comparen escenas pero nadie se fije en la tristeza cromática de absolutamente toda la adaptación en serie.
Los colores eran parte de la magia ahora es todo otra vez oscuro y triste, como a partir del Cáliz de Fuego.

[Michael Button @MichaelButtonX]

In 1991, two hikers in the Alps found a body emerging from the ice. They assumed it was a lost mountaineer. So did the authorities, who tried to free it with ice axes.

But then an archaeologist examined the axe found beside him. Its blade was copper.

The 'climber' had died 5,300 years ago. Before the Great Pyramid. Before Stonehenge.

He had 61 tattoos, the remains of ibex, red deer and einkorn wheat in his stomach, and a flint arrowhead buried deep in his left shoulder.

Someone had shot him from behind, high in the Alps. And the ice preserved the evidence for more than five millennia.

We now know an extraordinary amount about Ötzi. But we still cannot answer who wanted him dead?

[Mayukh @mayukh_panja]

1. Reduce corporate taxes and personal income tax
2. Make it easy to hire and fire, this will mean wages will soar
3. Registering a company should take 200 USD and 3 hours

You will unlock new levels of German productivity. People from Sillicon Valley will be fighting to relocate to Germany in a few years.

[Tanmay Singal @tanmay_singal]

Oh so majestic these trees are. Would love to visit this place and stare at them in awe for an entire day.

[Massimo @Rainmaker1973]

A mature Giant Sequoia can use 2000 liters of water every day during the summer. That's why snowy winters are fundamental: with adequate water they can live over 3,000 years

[📹 Michael Block]

[DaVinci @BiancoDavinci]

They found love in a hopeless place

[Nature is Amazing ☘️ @AMAZlNGNATURE]

Polar bear caught mid-leap over Arctic waters during an expedition

[Abhi @_Avykt]

Whichever babu decided not to have multi colour lights and laser lights here, please give them an award & make him incharge of lighting all famous monuments

[Ole Lehmann @itsolelehmann]

so apparently people are getting flown out of floods by drones in China now

like literally hanging beneath a giant DJI drone and getting flown to dry ground

it was during the recent floods in Guangxi, more than 400 drone pilots showed up with over 300 aircraft

> most of the drones carried food, water, and medicine into villages that roads and boats couldn’t reach

> then rescuers started using the biggest ones to carry people.

> one of them was DJI’s FC200, a cargo drone built to lift up to 440 pounds

> the drone lowers a cable and harness, the person gets strapped in, and a human pilot flies them out remotely using the live camera feed

> one rescue was absolutely insane

> a man was stranded on a roof in Liulan village with floodwater rising around him.

> the pilot swapped in a full battery, kept a second drone ready as backup, and sent the FC200 over the water.

> the man was secured with roughly four wraps of the harness.

> then the drone lifted him nearly 150 feet, threaded him past power lines and treetops, and flew him almost 3,000 feet across the flooded village.

> he reached dry ground 9 minutes later.

> the battery was down to 23%.

the obvious question for me is...

if a cargo drone can fly someone across a flooded village, how long until a purpose-built passenger version can fly me across a city?

i want drone Uber so badly lol

imagine opening the app, call a drone, buckle in, and fly straight over traffic

[HikingSwitzerland @HikingSchweiz]

I love ridge hikes and the one below is my absolute favorite - the Haldigrat ridge in Nidwalden. This knife-edge ridge begins at the top of the Alpboden chairlift (1,941m) and leads up the summit of the Brisen (2,404m). Stunning panoramic views is an understatement! 🇨🇭

[Cheryl A @ACheryl80675]

Happy Caturday!🥰🐈🐈☕️

[Lee Kuan Yimby @LeeKuanYimby]

I was just in Mumbai, and I have to give them credit for the progress they’re making on infrastructure. The new Aqua Line metro is phenomenal. But the amount of work India still has to do on basic cleanliness and sanitation and it is hard to understand until you see it yourself. Would love for more westerners to go just to understand how wealthy they are, but that's a different point.

Mumbai is completely surrounded by water, yet there are almost no places where people can actually enjoy the water. The beaches are filled with trash, the water is badly contaminated, and almost nobody swims, even when it’s brutally hot outside. Walking on the beach is just mud and trash meeting filthy water on the horizon.

There are much poorer places around the world where people can still use the beaches. This is not just about money. India has gone decades without adequate trash collection, sewage treatment, or enforcement for a population of more than a billion people. At this point, the scale of the problem feels almost impossible, and the oceans around the world are paying the price for Indias garbage output as well.

I like the direction Modi is taking the country, but India needs to treat cleanup like a national emergency. Stop with the small campaigns and organize a full scale blitz.

Offer unemployed people paid work picking up trash, clearing drains and waterways, cleaning beaches, and maintaining public spaces. Give them proper equipment and supervision. Then build the collection and waste processing systems needed to stop everything from becoming filthy again a week later.

India has shown that it can build metros, airports, highways, and digital infrastructure. Clean streets and usable water should be treated as infrastructure too.

Mumbai should have one of the greatest waterfronts in the world. Instead, it's has basically an irrelevant feature of the city and feels surrendered to sewage and garbage.

[Randy Olson @randal_olson]

German rail runs 1,773 trains at once during evening rush and 63 at three in the morning.

The map follows every one through a full day, split into high speed, intercity, regional, and night service.

[Aryamman Bhatia @aryamman_bhatia]

This is Aryan(@4rynv) and he is building the world's cheapest lithography system.

He has been trying to build a HackerFab at VJTI, but could not immediately secure the required funding and support so we invited him to intern at our lab at IITB over the summers.
In just north of 2 months, he built a safety-critical, fully-autonomous control system for our sputter, and has made significant progress on building what we believe to be the world's cheapest micron scale lithography system.

It will cost less than an Iphone, and be simple enough that a high schooler can assemble it, and Aryan will be leading this project as he establishes a HackerFab at VJTI.

HackerFab's so far, have only been built in "elite" universities like CMU and IITB, all of whom rely heavily on access to an existing semiconductor fabrication ecosystem(inluding professors, nanofab access, etc.) for all things from simply accessing Silicon wafers and specialty chemicals, to directed guidance from domain experts.
Aryan aims to show this can be done in a college without any of this, and become a true enabler for the movement to spread, for continue democratisation of access to semiconductor fabrication.
If he is successful, it demonstrates that anyone, anywhere in the world can do this.

He is one of the best practical engineers I have had the pleasure of working with, and I am confident he will succeed.

Aryan is also looking to raise funding to build out a HackerFab at VJTI and truly expand the @hackerfabindia movement - If you are interested in supporting the cause, you should get in touch with him(@4rynv), as I can't think of a better way to spread the movement than supporting builders like Aryan.

[DaVinci @BiancoDavinci]

Absolutely a design deserving of the award, with a Japanese crane and a hand holding chopsticks.

[abiee @abieeyy_]

This looks so cute, I want one 😍