Magnetic

Ordinarily, epoxies are cured by exposure to either heat or ultraviolet light. Both have their drawbacks, which are nicely avoided by a new epoxy that hardens when passed through a magnetic field to produce a similar bond using a fraction of the energy.

Magnetic tape may seem an antiquated data storage technology, but its density and capacity is still hard to beat for big data centers. Now, IBM and Fujifilm have created a prototype high-density tape cartridge with a record-breaking 580 TB capacity.

Scientists at the City University of Hong Kong have developed a new type of spray-on coating they say can give regular objects the capabilities of magnetically controlled robots, with particular potential in biomedical applications.

The excavation and disposal of landmines is a time- and labor-intensive business, so it can be quite a waste of resources if the detected object is not actually a mine. A new system could help, by reducing the number of mine-hunting errors.

Researchers have for the first time managed to use electricity to switch on magnetism in a material that’s normally non-magnetic. This could be a step towards making electronic components out of common materials that might not otherwise be suitable.

Although many cyclists like the retention offered by "clipless" pedals, there's something to be said for the ease-of-use and wide platform offered by flats. Hustle Bike Labs has tried to combine the best features of both, with its magnetic REM Pedal.

Although there are already complex prototype interfaces that track all of the fingers on a computer-user's hand, let's be honest – it's mostly just the index finger that matters. That's where the experimental AuraRing system is designed to come in.

A number of groups have already developed so-called "electronic skin," which adds electronic functionality to a user's natural skin. A new magnetic take on the technology, however, does away with the need for integrated electronics and power sources.

Out of all the cool-looking forms that robots can take, a cube seems like a pretty boring choice. But MIT’s cute little cube bots can roll and tumble around, recognize each other, and stack themselves into whatever shape is needed.

With a few exceptions, robots aren't known for having a soft touch – that may be about to change, however, thanks to a new shock-absorbing gripper.

The closest thing we have to magnetic liquids are ferrofluids. But now, Berkeley Lab has managed to create the first permanently magnetic liquids, which could open up new avenues for electronics and robotics.

​While shape-memory materials do have some interesting applications, many of them require the application of heat in order to change shape – and that could cause problems, in environments such as the human body. A new material, however, relies instead on a magnetically-responsive liquid.