The fastest things ever made by humans are spacecraft, and the fastest spacecraft reached 330,000 mph – only 0.05% the speed of light. But there are ways to go faster.
Next year’s ‘spectrum auction’ will give telcos a chance to bid for access to high speed, millimetre-wave 5G. But big businesses are likely to be prioritised, not you.
High speeds, the threat of dangerous crashes, the excitement of the crowd – and the laws of physics on full display. A physicist explains the science of NASCAR.
West Australian Labor leader Mark McGowan said his state has the “worst rate of methamphetamine usage in the country”. We asked the experts to check the evidence.
Ice is a slang name for crystal methamphetamine – a stimulant drug that is swallowed, smoked or injected. It works by activating the reward pathways in the brain, producing feelings of alertness.
Sensory information comes into the system, and we initiate actions in response. Quantifying how quickly that happens is tricky – especially since our own perceptions of the timing aren’t quite right.