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Torqued Accelerator Using Radiation from the Sun (Tars) for Interstellar Payload

https://arxiv.org/abs/2507.17615

49•virgildotcodes•8h ago

Comments

echelon•7h ago

David Kipping of Cool Worlds Lab just uploaded a video about TARS:

https://www.youtube.com/watch?v=MDM1COWJ2Hc

idiotsecant•4h ago

He wrote the paper too :) Anyhow, I wonder if you can make a useful probe in the payload of a few grams? Maybe a swarm of them could act in concert to do useful things?

hersko•3h ago

This is amazing. How have i never seen this channel before?

mperham•3h ago

He’s an incredible scientist and educator. His back catalog of videos is well worth watching.

Chemical process produces critical battery metals with no waste

https://spectrum.ieee.org/nmc-battery-aspiring-materials

59•stubish•2h ago•5 comments

Fast and cheap bulk storage: using LVM to cache HDDs on SSDs

https://quantum5.ca/2025/05/11/fast-cheap-bulk-storage-using-lvm-to-cache-hdds-on-ssds/

59•todsacerdoti•3h ago•13 comments

Smallest particulate matter sensor revolutionizes air quality measurement

https://www.bosch-sensortec.com/news/worlds-smallest-particulate-matter-sensor-bmv080.html

39•Liftyee•3h ago•5 comments

A low power 1U Raspberry Pi cluster server for inexpensive colocation

https://github.com/pawl/raspberry-pi-1u-server

20•LorenDB•3d ago•11 comments

Resizable structs in Zig

https://tristanpemble.com/resizable-structs-in-zig/

114•rvrb•9h ago•48 comments

16colo.rs: ANSI/ASCII art archive

https://16colo.rs/

29•debo_•3d ago•7 comments

How we rooted Copilot

https://research.eye.security/how-we-rooted-copilot/

291•uponasmile•15h ago•112 comments

Purple Earth hypothesis

https://en.wikipedia.org/wiki/Purple_Earth_hypothesis

215•colinprince•3d ago•59 comments

Show HN: QuickTunes: Apple Music player for Mac with iPod vibes

https://furnacecreek.org/quicktunes/

72•albertru90•7h ago•20 comments

Low cost mmWave 60GHz radar sensor for advanced sensing

https://www.infineon.com/part/BGT60TR13C

60•teleforce•3d ago•22 comments

Personal aviation is about to get interesting (2023)

https://www.elidourado.com/p/personal-aviation

87•JumpCrisscross•8h ago•82 comments

Rust running on every GPU

https://rust-gpu.github.io/blog/2025/07/25/rust-on-every-gpu/

526•littlestymaar•21h ago•176 comments

Paul Dirac and the religion of mathematical beauty (2011) [video]

https://www.youtube.com/watch?v=jPwo1XsKKXg

58•magnifique•8h ago•4 comments

Coronary artery calcium testing can reveal plaque in arteries, but is underused

https://www.nytimes.com/2025/07/26/health/coronary-artery-calcium-heart.html

69•brandonb•9h ago•58 comments

What went wrong for Yahoo

https://dfarq.homeip.net/what-went-wrong-for-yahoo/

162•giuliomagnifico•12h ago•154 comments

Getting decent error reports in Bash when you're using 'set -e'

https://utcc.utoronto.ca/~cks/space/blog/programming/BashGoodSetEReports

104•zdw•3d ago•31 comments

The natural diamond industry is getting rocked. Thank the lab-grown variety

https://www.cbc.ca/news/business/lab-grown-diamonds-1.7592336

189•geox•18h ago•229 comments

Janet: Lightweight, Expressive, Modern Lisp

https://janet-lang.org

22•veqq•5h ago•4 comments

Teach Yourself Programming in Ten Years (1998)

https://norvig.com/21-days.html

75•smartmic•9h ago•26 comments

The future is not self-hosted, but self-sovereign

https://www.robertmao.com/blog/en/the-future-is-not-self-hosted-but-self-sovereign

4•robmao•2h ago•3 comments

Arvo Pärt at 90

https://www.theguardian.com/music/2025/jul/24/the-god-of-small-things-celebrating-arvo-part-at-90

71•merrier•10h ago•19 comments

Cable Bacteria Are Living Batteries

https://www.asimov.press/p/cable-bacteria

7•mailyk•3d ago•0 comments

Torqued Accelerator Using Radiation from the Sun (Tars) for Interstellar Payload

https://arxiv.org/abs/2507.17615

49•virgildotcodes•8h ago•4 comments

Where are vacation homes located in the US?

https://www.construction-physics.com/p/where-are-vacation-homes-located

89•rufus_foreman•13h ago•69 comments

Shallow water is dangerous too

https://www.jefftk.com/p/shallow-water-is-dangerous-too

111•surprisetalk•3d ago•73 comments

Large ancient Hawaiian petroglyphs uncovered by waves on Oahu

https://www.sfgate.com/hawaii/article/hawaii-petroglyphs-uncovered-20780579.php

80•c420•4d ago•23 comments

Test Results for AMD Zen 5

https://www.agner.org/forum/viewtopic.php?t=287&start=10

221•matt_d•12h ago•42 comments

Tinyio: A tiny (~200 line) event loop for Python

https://github.com/patrick-kidger/tinyio

68•tehnub•4d ago•17 comments

Millet mystery: A staple crop failed to take root in ancient Japanese kitchens

https://phys.org/news/2025-07-millet-mystery-staple-crop-root.html

26•PaulHoule•3d ago•9 comments

Open Sauce is a confoundingly brilliant Bay Area event

https://www.jeffgeerling.com/blog/2025/open-sauce-confoundingly-brilliant-bay-area-event

330•rbanffy•3d ago•186 comments