<p>➀ Swiss company Sensirion's sensors are being sent into space this month as part of the Wobble2 experiment; </p><p>➁ The purpose of the experiment is to improve fuel delivery in zero-gravity conditions by using a better propellant management device (PMD); </p><p>➂ Sensirion is providing its SLF3S-4000B flow sensors for the experiment.</p>