The new iPad Air looks identical to the previous-gen version with the M3 chip, though it delivers faster performance thanks to an improved neural engine and Apple's N1 and C1X connectivity chips.

This is the best balance of future-proofing and price for now, but this may not be the final iPad release this year.

Scientists have created the smallest QR code in the world, measuring just 3.07 × 10⁻⁹ square inches (1.98 square micrometers). It can preserve data for thousands of years and it's so small that you ...