Scientists at Northwestern University in the US have engineered a pacemaker smaller than a grain of rice. The makers of the device say it can be implanted in a non-invasive procedure and that it ...

The tiny pacemaker sits next ... the battery allows us to turn the device from its ‘off’ state to an ‘on’ state upon delivery of light that passes through the patient’s body from the skin-mounted ...

In contrast, this new wireless pacemaker is not only non-invasive but also bioresorbable—it dissolves safely into the body once its job is done. The device does not rely on near-field ...