Imagine what cart corals at the supermarket would look like if shopping carts didn’t nest together. Imagine what the entryway of the supermarket would look like if shopping baskets didn’t stack. This would be poor spatial planning on the designers part. Next, image what a parking lot could look like if our cars stacked? We all of the sudden will have a plethora of open space, hmmm why didn’t we think of this earlier?

The first innovative step towards stacking cars was the parking structure, where layers of cars could be stacked upon each other. The next innovative step is to actually stack cars up against each other to reduce the absurd amount of space we require for vehicular parking. The concept is a hybrid of car sharing systems, spatial planning, alternative fueling systems, and personal convenience.

Developed by MIT Media Lab students from the Concept Car Design Workshop sponsored by GM, the key behind this concept is the redesign of the wheel and axel. Rather than having a rigid axel, it will actually fold in a way that will allow the car to rotate upwards 90 degrees. In this, the long dimension of the vehicle is perpendicular to the ground while parked. Since each car has the same form and design, they perfectly nest together to reduce surface space consumption. The stackable car will be able to reduce required curbside parking space by about a third to a half. This allows for more sidewalk space, biking lanes, and comfortable city conditions.

Due to the small dimensions, the stacks of cars will be conveniently placed in locations all over the city- where you would normally come out of a building and hail a cab; you can jump in an electric city car and advance to your next desired location. The concept City Car system includes solar paneling on the rooftops of buildings adjacent to the stackable parking depositories. These panels will be the power supply to charge the electric cars while parked.

This car-sharing concept is a solution to the missing link between public transportation and the front door. Often people don’t use public transit due to the time necessary to switch from the subway to the bus to the next bus. Now people can commute into the city, get off the train, jump in a city car, and drive that extra three to ten miles to the office. This is a reasonable solution to a very prevalent problem. Instead of unnecessarily consuming a parking space while in the office all day long, you can use a city car in the morning and evening, while others use it all afternoon; and the convenience of hopping in a city car is what will make this work. In addition, since these cars aren’t personal vehicles and people will be in them on an average of five to thirty minutes, hopefully the new system will encourage people to share rides across town thus influencing our sense of community, status, and ownership.

Who ever thought that asking your neighbor for sugar could carry more connotations than that of baking necessities? Well, Sony is working on a product that will make your neighbor think twice about your consumptive demands.

Sony recently announced their current activity in developing a new bio-battery. The battery generates electricity from carbohydrates (currently sugar) and utilizes enzymes as the catalyst. The sample battery has proven to be able to output 50 mW, or enough to power a portable mp3 player. This is the world’s highest yet for a passive-type bio battery.

According to the Sony Press Release:

Sony developed a system of breaking down sugar to generate electricity that involves efficiently immobilizing enzymes and the mediator (electronic conduction materials) while retaining the activity of the enzymes at the anode. Sony also developed a new cathode structure which efficiently supplies oxygen to the electrode while ensuring that the appropriate water content is maintained. Optimizing the electrolyte for these two technologies has enabled these power output levels to be reached.

The newly developed bio battery incorporates an anode consisting of sugar-digesting enzymes and mediator, and a cathode comprising oxygen-reducing enzymes and mediator, either side of a cellophane separator. The anode extracts electrons and hydrogen ions from the sugar (glucose) through enzymatic oxidation as follows:
Glucose -> Gluconolactone + 2 H+ + 2 e-
The hydrogen ion migrates to the cathode through the separator. Once at the cathode, the hydrogen ions and electrons absorb oxygen from the air to produce water:
(1/2) O2 + 2 H+ + 2 e- -> H2O
Through this process of electrochemical reaction, the electrons pass through the outer circuit to generate electricity.

Since the battery does not require the user to do any mixing or formulating, the process is quite simple and it requires very little of the owner. But, each cm2 can only produce 1.5 mW in the first minute, so the battery has to be quite large. The current dimensions are 39×39x39mm- I don’t know how portable and functional it makes this object, but it is a step in an interesting direction.

The most applicable situation I see for this technology is for remote electrical generation necessities (which puts an interesting spin on neighborly sugar supply). For locations or trips that could not benefit from portable solar panels, sugar is a new alternative. As the design progresses and the technology is tuned, I am sure they will be able to come up with something on a more practical and portable scale.

Again, the question arises about genetically modified sugar due to increased demand of the material. Will we begin manufacturing it in the lab and what will this do to the sugar farmers across the world? These questions are always something to consider with the development of any technology using a finite, consumable resource.

It is although fun to imagine one day giving your cell phone a shot of liquid sugar when it starts beeping with low battery indication… Instead of cords, we will have IVs of liquid sugar lying about our apartment floor with a portal into our computer, our radio, our coffee maker…interesting.