Honorary Adjunct Fellow- National Maritime Foundation, Ex AI Consultant PMO (NSCS) #QuantumComputing #AI #MachineLearning #Finance #ClimateRisk #DisasterRisk
Joined July 2015
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Atul Tripathi retweeted
A very basic AI primer for mid / senior level decision makers (especially in Govt / Defence) on which approach may be the best for their organisation.
@dravirmani you had asked in a reply to a post by @CaptDKS about what the options are. I will cover those subsequently. In this basic primer I cover the fundamentals (which may be elementary to those well versed with the subject) but useful for those who want to understand what the discussion is all about. I have included some very basic analogies to clarify the concepts.
I will again say that we need to decide the requirements and then have an *open competition* to separate hype from substance.
Will invite a debate.
@cdf_23 @centerofright @VGK_India @KRANTII01 @NarenNp @aiBorundiya @quant_guru @Viv_Krishnan @joe_sameer @NwcSam
Atul Tripathi retweeted
Another reminder that the hand on the switch of commercial satellite services belongs to the company (or the government that can influence it), not the military user. Sovereign (and secure) communication capability is not a luxury, it is an operational necessity. #AtmanirbharBharat
@NarenNp @KRANTII01 @quant_guru
EXCLUSIVE: Elon Musk approached Donald Trump with the idea of slowing down Starlink in Ukraine, The Telegraph can reveal.
The billionaire tech entrepreneur approached the US president with the proposal to introduce speed limits on the system, which hampered Ukraine’s drone defences, according to four sources familiar with the discussions.
🔗 telegraph.co.uk/world-news/2…
Atul Tripathi retweeted
Gecko-Inspired #Robot Climbs Vertical Glass Without Suction
by @sutoroveli_news
#AI #Robotics #EmergingTech #Innovation #Technology
Atul Tripathi retweeted
Next-Generation Skincare #Technology Has Arrived
by @minchoi
#Innovation #EmergingTech #TechForGood #Tech
Atul Tripathi retweeted
Why can driven wheels spin at different speeds without shredding tires?
Bevel satellites mesh side gears at 90°. Tooth count is
Zₛₐₜ = 2Rₑ / (mₑ √(Uₛₐₜ² + 1))
so pitch cones share one apex. That constraint lets a car turn without fighting its own drivetrain.
The same cone packing appears in robot joints and EV e-axles.
A short equation often decides whether two shafts may disagree.
Where else have you seen geometry, not torque, split motion?
Atul Tripathi retweeted
Bio-Inspired #Robot Snails Combine Forces to Tackle Complex Tasks
by @lukas_m_ziegler
#Innovation #EmergingTech #Technology #Tech
Atul Tripathi retweeted
No matter how the curve snakes from (p, r) to (q, s), the blue region plus the green region is locked at qs − pr.
That single geometric fact forces
∫r^s u dv + ∫_p^q v du = uv |{(p,r)}^{(q,s)}
Parametrize by x with u = f(x), v = g(x).
The identity becomes the product rule run backwards:
∫_a^b f g' dx = [f g]_a^b − ∫_a^b g f' dx
Finite-element codes for elastic solids rely on exactly this shift: derivatives move onto the known shape functions so the stiffness matrix is assembled from boundary integrals alone.
Which other classical identity gains the most from being drawn as pure area?
Atul Tripathi retweeted
The internet was busy debating jantar Mantar & a quiet facility in India witnessed something straight out of science fiction. An engine fired up. But it did not hum & it did not roar like a normal jet.
It detonated. Continuous supersonic shockwaves raced around a circular chamber 1000s of times/sec, harnessing controlled explosions to generate thrust.
The startup D-Propulse just gave the world a sneak peek of their air-breathing Rotating Detonation Engine (RDE) with an integrated aerospike nozzle.
Every jet engine on a commercial airliner, every fighter jet & every rocket we have ever seen operates on deflagration. We mix fuel with air/oxygen, ignite it & it burns relatively slowly at subsonic speeds. It is effective, but humanity has pushed this tech to its absolute physical limits.
RDEs throw that century-old playbook into the fire. Instead of burning fuel smoothly, an RDE explodes it intentionally. A continuous detonation wave sweeps around an annular (ring-shaped) channel at supersonic speeds, reaching over 2000 m/s. This is called Pressure-Gain Combustion.
It extracts 15-25% more thermal efficiency out of the exact same amount of fuel. In the world of high-speed flight, a 25% jump in efficiency is a completely different league.
Why this Matters for India?
For decades, the narrative surrounding Indian engineering was tied to catching up on legacy systems, spending billions trying to replicate 1970s turbofan engine metallurgy/importing critical defense tech.
D-Propulse is proving that India does not need to play catch-up anymore.
By leapfrogging straight to Pressure-Gain Combustion, an Indian deep-tech startup, guided by veteran scientists & built by young engineers is standing on the frontlines alongside research labs in the US, Japan & China.
Imagine hypersonic cruise missiles, ultra-long-range combat drones & spaceplanes that do not need heavy, complex moving turbopumps to break speed records. That is the realm this technology unlocks.
The future does not belong to those who build better versions of old machines. It belongs to those who rewrite the physics of how machines work.
Atul Tripathi retweeted
Bir foton yıldızların içinden çıkıp 4 milyon yıl boyunca güneşin çekirdeğinden yüzeyine yolculuk ediyor sonra 8 dakika daha sana ulaşıyor ve sen o ışığa bakıp geçmişini görüyorsun diye düşünüyorsun ama kuantum fiziğinde ertelenmiş seçim deneyi diye bir şey var ve bu hikayeyi paramparça ediyor
Deney şöyle çalışıyor bir foton iki yarıktan geçiriliyor ve hangi yarıktan geçtiği ölçülmediğinde dalga gibi davranıyor her iki yarıktan aynı anda geçiyor ve girişim deseni oluşuyor ama ölçüm cihazını sonradan açtığında foton sanki baştan beri tek bir yoldan gelmiş gibi davranıyor geçmişi gözlemlendiği ana göre yeniden yazılıyor
Şimdi bunu büyüt milyonlarca yıl önce bir yıldızın içinde üretilen bir foton uzayda sana doğru geliyor ve sen tam şu an o fotonu ölçmeye karar verene kadar o fotonun hangi yoldan gittiği belirsiz kalıyor yani o parçacığın milyonlarca yıllık geçmişi senin bir kararınla bu saniye kesinleşiyor ya da tamamen siliniyor evren gözlemlenene kadar arkasını açık bırakıyor
Ve sarsıcı kısım şu eğer şu anki bir eylemin milyonlarca yıl önceki bir parçacığın geçmişini belirleyebiliyorsa zaman çizgisi düşündüğün gibi doğrusal bir çizgi değil şimdiki bilincine göre yeniden yazılan esnek bir kurgu olabilir bu durumda geçmiş dediğin şey seni belirleyen sabit bir gerçek değil şu anki gözlemin üzerine çöken bir gölge
Insanın kendi geçmişine duyduğu o sarsılmaz inanç belki de kuantum silgisinin yarattığı bir algı illüzyonu belleğin sana anlattığı hikaye evrenin sana sunduğu tutarlı bir render ve sen o renderin içinde sadece izleyici değilsin aynı zamanda yazarsın gerçekten bir geçmişe sahip olduğunu ve o geçmişin seni belirlediğini iddia edebilir misin yoksa her sabah uyandığında evren seninle birlikte mi başlıyor
Ve belki de bu değil şu gözlemci olmadan gerçeklik var mı yoksa sen baktığın için mi var
Atul Tripathi retweeted
JUST IN🚨: Nobel Prize Physicist Roger Penrose claims there is no such thing as nothingness.
Your soul is eternal because matter cannot be destroyed.
Atul Tripathi retweeted
Stress distribution is the way internal forces are spread throughout a material when an external load is applied.
A uniform distribution keeps a structure stable, while concentrated stress can lead to deformation or failure. Understanding stress distribution is essential for designing safe and durable engineering structures.
Atul Tripathi retweeted
Scientists believe the Milky Way is flying through space at 600 kilometers per second while also wobbling slightly, as if it’s flipping its wings through the cosmos.
Atul Tripathi retweeted
Infinity collapses to an integer via Ramanujan's nested radical:
3 = √(1 + 2√(1 + 3√(1 + 4√(1 + ⋯)))).
Similar successive nested-radical expansions compute high-precision trigonometric constants inside GPS satellite orbit determination software.
Atul Tripathi retweeted
Wonderful Demlo numbers are the squares of successive repunits: 1²=1, 11²=121, 111²=12321, …, 111111111²=12345678987654321.
Indian mathematician D. R. Kaprekar studied and named them after Demlo railway station (now Dombivli), where he conceived the idea in 1923. He published the results in 1938.
The digit pattern holds exactly while n≤9 because multiplication produces no carries.
Atul Tripathi retweeted
🚨 HSR Layout-based Panoculon Labs (@panoculonlabs) is building cutting-edge egocentric data capture rigs for American, Chinese, and Indian robotics labs.