Avelia Liberty is a new high-speed train service running between Washington, D.C. and Boston. The first trains are introduced in 2021 and the final upgrade is completed in 2022.
An exaFLOP is 1,000,000,000,000,000,000 (a million trillion) floating point operations per second. By 2021, the world's top supercomputers are reaching this speed.
After visiting Pluto in 2015, New Horizons continued onwards to the Kuiper Belt. On 1st January 2019 it encountered the distant object known as 2014 MU69, nicknamed Ultima Thule.
A polarising and controversial politician, Jair Bolsonaro was elected as President of Brazil in October 2018. His four-year term began on 1st January 2019.
One of the major technological milestones of the early 23rd century is the creation of a substrate that is the densest and most efficient allowed by the known laws of physics.
