Backpack Chat

See where your friends are traveling

What it does

Backpack Chat puts your friends and their travel plans on a map so you don't miss each other when you have similar travel plans. 🌏

TL
The load-bearing vocabulary of Claude▲703
Life & fun · 10d ago · louisabraham.github.io
iPhone app takes simultaneous images from 2 lenses, fuses into 1 photo▲329
Photosynthesis fires two of your iPhone
Life & fun · 28d ago · photosynthesis.camera
SoloUno▲310
Take control of hair pulling, nail biting & skin picking
Life & fun · 28d ago · solouno.io
Scroll through all 43252003274489856000 Rubik's Cube states▲295
Scroll through all 43,252,003,274,489,856,000 reachable Rubik's Cube permutations.
Life & fun · 26d ago · everycube.alen.is
Expeditione▲265
The Interactive 3D Encyclopedia
Life & fun · 21d ago · expeditione.fun
Eigendrum - Draw any shape and hear what it sounds like as a drum▲243
Hi HN, I built Eigendrum, a web tool that solves the 2D wave equation for arbitrary shapes so you can hear what they sound like as drums. How it works: * Solves -∇²u = λu using finite element analysis (Kφ = λMφ) on a triangle mesh. * Validated to <0.1% error against closed-form solutions for circles (Bessel zeros) and rectangles. * Sound model factors in strike location, Rayleigh damping, and mallet width. * Includes Kac drums I & II to demonstrate identical sound spectra from different geometries. * No frameworks, build steps, or dependencies. Repo and tests:…
Life & fun · 26d ago · baselashraf81.github.io

Coda▲1,648
It's a new day for docs
Work · 2017 · coda.io
Station▲1,374
One app to rule them all
Work · 2017 · stationhq.com
New Google Calendar▲1,045
Google is launching a new look + new features for Calendar
Work · 2017 · support.google.com
InVision Studio▲999
The world’s most powerful screen design tool
Work · 2017 · miro.com
Slite▲876
One combined workspace. All of your team documentation.
Work · 2017 · slite.com
Stripe Elements▲812
Beautiful, smart checkout flows 💳💸
Commerce · 2017 · stripe.com