SnapPower

Add USB charger to any power outlet (pre-launch)

Does the same job

Spor2014 · ▲75
Self-regenerating battery charger for USB devices.
PowerPot2015 · ▲105
Charge your mobile devices with just heat and water.
BatteryBox2014 · ▲181
Charge your Macbook anywhere
The Air Dock 2.02015 · ▲76
Convenient way to charge your device in your car, pre-launch
Plugger 2015 · ▲83
Find nearby places to charge your devices
My JAQ2015 · ▲87
Portable charger -- energy from water & salt (pre-launch)

TL
The load-bearing vocabulary of Claude▲703
Life & fun · 9d ago · louisabraham.github.io
iPhone app takes simultaneous images from 2 lenses, fuses into 1 photo▲329
Photosynthesis fires two of your iPhone
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Take control of hair pulling, nail biting & skin picking
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Scroll through all 43252003274489856000 Rubik's Cube states▲295
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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

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Explore the world through someone else's eyes
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The best new products, every day, in your browser
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Amazon Dash Button▲770
Place it. Press it. Get it.
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Gyroscope▲716
A new OS for the human body
Growth · 2015 · gyrosco.pe
$Cashtags by Square▲712
Get paid via $cashtags for things you do online or in person
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Freebie.Supply▲669
Awesome free things for entrepreneurs & startups
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