Hamburg's Cabintaxi was an "over and under" monorail design that ran personal monorail cars in both directions, with counterclockwise traffic on one level and clockwise on the other. It looks like it never got deployed
, but it's one sweet retrofuture design for urban transport:
The computer now takes over completely. It regulates our speed, senses the position of any car ahead to maintain a safe headway, and holds us at intermediate stations only if the track is temporarily occupied. We’re programmed for travel to the selected destination by the most direct path. Upon arrival, the car is released for immediate use by other travelers.
Over-and-under monorail — a single beam tor two-way taxis (Jul, 1980)
“Our over-and-under guideway is a big space-saver and cost-cutter,” MBB’s Gert von Lieres told me. “A two-level guideway can fit into narrow streets that couldn’t accommodate parallel rails, and there’s less clutter in the streets from support columns. Construction is simplified and thus relatively cheap.”
It’s also a quiet system; the cars glide at about 22 mph on rubber-tired wheels. And it shouldn’t be affected by weather; the base, suspension, and guidance tracks are fully enclosed within the beam. “This protects them from snow and ice,” von Lieres said, “while the lateral rollers eliminate any risk of derailment. They allow tight corners—a turn radius as small as 100 feet—meaning greater versatility in urban routing.”
This handheld magnifying glass has two bright LEDs and is powered by 3 AAA cells (not included). The manufacturer says the magnification is 40X. I think it is less than that, but it is still plenty powerful for my needs – mainly, reading the markings on tiny electrical components and checking the layer fusion on […]
The European Commission is probing whether Samsung televisions’ sensed when they were being tested for energy efficiency and changed their power consumption to get better ratings than they deserved.
The curved bottom of the cup peeks through your drink as the level drops down, moving the “moon” from full to a fingernail-paring sliver. Of course, it works better if you drink something cloudy and white — it’s designed some cloudy Korean rice-wines, but would also work with Pernod and water, I’m thinking.
The Lytro Illum dares to be different, boasting even more robust features than its first generation predecessor and a sleek design reminiscent of professional DSLRs. What’s so cool about it? Most cameras capture the position of light rays, producing a statoc 2D image.
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