Which engineering breakthroughs will achieve widespread commercial and societal integration by 2050? [add responses]

Will any human-made object go faster than 1% of the speed of light before 2060?

Will any human-created object reach 1% of light speed before 2033?

Will faster-than-light communication be possible before 2300?

Will a spacecraft capable of propulsion above 1% the speed of light be achieved before 2040?

Will we find or make a wormhole to another observable universe that lets information flow both ways by the end of 2100?

Will we make contact with intelligent aliens by 2050?

Will we discover a new, (believed to be) non-composite particle by 2050?

Will human teleportation be possible before 2050?

Will we discover evidence of a cosmic string before 2050?