In the video I use: 20 gauge (wire diameter 0.8mm): 2cm (0.8 inch), 2.5cm (1 inch) 26 gauge (wire diameter 0.4mm): 150cm (60 ...

Is dark energy overpowering gravity? 😮 Neil deGrasse Tyson explains the mysterious force driving the universe’s expansion, how scientists discovered it, and what it could mean for the ultimate fate ...