This week on TreeHugger, a house made from 5,000 glass bottles, green jellyfish goo powers devices, father and son DIY an outer space film project, and how digitizing our world could be problematic.

Weird Solar Device of the Day: Solar-Powered Cockroach

Perhaps this little insect is really perfect timing for Halloween — it can easily freak out unsuspecting people who glance in its direction.

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E-Bikes to the Rescue - A Six-Month Review

Here in the U.S., e-bikes haven't yet caught the attention of the bike-buying public in the same way as they have in Asia. But after six months of riding a Sanyo eneloop we think e-bikes are transportation's best kept secret.

Why You Want a Hydrogen-Powered Fuel Cell E-Bike

To combat e-bikes' poor range, Pedego teamed up with SiGNa Chemistry to create a "hybrid" electric bike which gets more than twice the Cruiser's regular range, but with no electric recharging required.

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7 Major Ways We're Digitizing Our World, And 3 Reasons We Still Want Hardcopies

How digitizing everything might save space and shrink the environmental footprint of everything we produce, but also put the longevity of our information at risk.

Breakthrough Energy Harvesting Device Successfully Fabricated

This technology could provide a step-change in energy efficiency in almost every tool and product we use, without requiring people to change their behavior.

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Designer Creates Fake Rocks That Help Save Water

Yup, rocks for your tub. Or would adding a second person to your bath be a better idea?

Russian Woman Builds House of 5,000 Glass Bottles

Check out this house of 5,000 glass bottles built by a woman in Novoshakhtinsk, Russia.

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Glowing Green Jellyfish Goo Could Power Medical Devices

Swedish researchers extract a green fluorescent protein (GFP) that makes the animals glow in the dark to see if it can also create a biofuel cell that can power microscopic nanodevices.

Father and Son Film Outer Space, Do-It-Yourself Style (Video)

The father and son team from Brooklyn managed to send their homemade spacecraft up nearly 19 miles, high into the stratosphere, bringing back perhaps the most impressive amateur space footage ever.

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TreeHugger's EcoModo column appears every Tuesday on Gizmodo.