Following its plan to bring London out of the shade with shadow-free skyscrapers, NBBJ has unveiled a new proposal to replace tube trains in the London Underground's Circle Line with travelators, or moving walkways. The firm says this would allow users to stroll relatively long distances more quickly than if traveling by train.
Some higher-end prosthetic legs are equipped with things like gyroscopes
and accelerometers, in order to guide their knee joint through a more
natural bending motion. In developing nations, however, such expensive
prostheses usually aren't an option. That's why a scientist from MIT is
developing a knee that could allow inexpensive legs to perform like the
There are now a number of powered exoskeletons either on the market or in development, all of which allow people who lack the use of their legs to walk in an upright position. The ReWalk
device is without doubt the best-known, having been commercially
available since 2012. This week, ReWalk Robotics announced the sixth
version of the product, which is reportedly better-fitting, faster and
less bulky than its predecessors.