Page 32 - BBC Focus - August 2017
P. 32

INNOVATIONS

















                                                                                  AV I A T I O N


                                                                                HELICOPTERS:

                                                                                NOW WITH

                                                                                WINGS!



                                                                                At the recent Paris Air Show, Airbus was
                                                                                showing off its new Racer concept
                                                                                helicopter, which has both a main rotor
                                                                                and a pair of propeller-sporting wings.
                                                                                Racer (an acronym for ‘RApid and Cost-
                                                                                Effective Rotorcraft’) would take off and
                                                                                land vertically, just like a normal
                                                                                helicopter, but would boast a top speed of
                                                                                400km/h (250mph), which is nippier
                                                                                than traditional choppers. If you’re
                                                                                getting a sense of déjà vu here, that’s
                                                                                because the Racer is essentially an
        HE A L T H
                                                                                updated take on the X  concept that
                                                                                                   3
                                                                                Eurocopter (now Airbus) took to the Paris
       A HEADBAND TO                                                            Air Show in 2011.
                                                                                  The craft is designed for the operation
                                                                                of high-speed passenger services,
       TREAT DEPRESSION?                                                        particularly between urban centres (such
                                                                                as London and Berlin) where its vertical
                                                                                take-off and landing capabilities
       A South Korean biomedical start-up   particular brain regions either     eliminate the need to travel to and from
       called Ybrain has developed a       ‘anodally’ (increasing neuronal      airports. But it could also find a role in
       headband that they claim will offer   activity) or ‘cathodally’ (decreasing   military or search-and-rescue
       relief from the symptoms of depression.   neuronal activity). The Mindd headset   operations. Airbus hopes to have a
       The device, called Mindd, works using   applies anodal stimulation via   commercial craft based on the Racer
       a technique called transcranial direct-  electrodes in the headband to the   concept available by 2020.
       current stimulation (tDCS). Here, a low-  frontal lobe, an area where decreased
       voltage electrical current is applied to   activity is associated with depressive
       specific areas in the brain via     disorders. Mindd is not intended as a
       electrodes placed on the skull.     DIY solution: patients would use it in
         tDCS is not new – the basic principles   their own homes, and all data regarding
       have been understood since the early   treatment would be sent automatically
       19th Century. But the past decade or so   to their doctor.
       has seen increased interest in its use in   The headband is currently
       treating neurological and psychiatric   undergoing clinical trials at Harvard
       conditions, and a 2016 meta-analysis of   Medical School, and at 12 hospitals in
       hundreds of studies concluded that it’s   South Korea. Early results are said to be                            PHOTOS: YBRAIN, AIRBUS
       “possible or probably effective” as a   promising, and if all goes well Ybrain
       treatment for depression.           hopes to market the device to health
         tDCS equipment can stimulate      providers by 2019.



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