Rich Felker@futurebird @kechpaja @llewelly I'd do it with an array of high speed camera sensors (cheap nowadays) on a rapidly spinning gimbal setup where the whole capture would be done in a few microseconds.
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.