This hebdomad on TreeHugger , spectacular robots made from broken estimator , gamey - technical school concepts for cleaning up space junk , trash bins that text , a bike - trump - turn - iPhone utterer , and more !
1.20 Top Tech Stories From April
We saw loads of interesting stories this preceding calendar month , but here are 20 of the just that you do n’t want to miss .

2.How to Build a Solar - Powered Lawn Mower
Have the geekiest lawn mower on the block , and power it for free .
3.High Tech DIY Sensors Could Help Keep 1000000000000 of Gallons of Raw Sewage Out of NYC Harbor

An entrepreneurial intention student may have find an nonrational , comparatively simple path to keep 27 billion gallons of raw sewerage from being dumped in New York City ’s harbor every twelvemonth .
4.9 Concepts for cleanse up Space Junk
Litter is n’t just a problem for terra firma , it ’s a very real problem in place as well . The effort to cleanse up blank space dust might take a smorgasbord of different methods , and here ’s a aspect at some of those concepts being study .

5.Build a Micro - Hydropower Generator from compact disk and Repurposed Printer part
Think you postulate to be an engineer and spend a megabucks to make a mini - hydropower generator ? suppose again .
6.Bike Horn iPhone Speaker , A Great low-pitched - Tech DIY Gadget for Cyclists

We eff this labor that transform an old - schooltime bike automobile horn into an electrical energy - barren iPhone speaker system .
7.Gorgeous Time - Lapse of Our Solar System Using NASA Probe pic
Yay for space technology ! Watch and be mesmerized by our solar organization ’s move captured in bleak and white images from two NASA missions .

8.Broken Computers Come Alive as Robotic Animals
Artist turn old typewriters , cameras , modern printers and computers into birds , caprine animal , squid , dinosaurs and more .
9.Smart , Solar - Powered Kiosks for Recycling and Composting Send Text When They ’re Full

The University of Washington has installed smart , waste - roll up kiosk that are solar - powered and communicate wirelessly when they ’re full .
10.Free photograph for your Smart Phone Background or Facebook Timeline
The Ocean Conservancy has put up a veranda of marvelous — and free — double of ocean lifespan for you to load on your cubicle earphone or your Facebook visibility .

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