Browsing: cent

How did a country with no large rivers and limited land to collect rain build the capacity to meet up to 40 per cent of its water demand with sewage clean enough to drink?

Saving Tips August 17, 2026

Singapore did it through NEWater, a national system that takes conventionally treated sewage and purifies it again with membranes and…

How does a fibre-optic cable no thicker than a garden hose carry roughly 99 per cent of intercontinental internet traffic across 13,000 kilometres of ocean floor?

Saving Tips August 9, 2026

The answer is that the cable is barely doing the work. The glass inside it is. Every intercontinental fibre carries…

How did a stray calico cat, handed a stationmaster’s cap at the unstaffed end of a dying Japanese branch line, lift its ridership by 17 per cent and generate an estimated 1.1 billion yen for the local economy?

Saving Tips August 5, 2026

The answer is a calico cat called Tama, and the mechanism was a job title. On 5 January 2007 the…

Content and cloud networks now account for three-quarters of used international bandwidth, while Google, Meta, Microsoft and Amazon own, co-own or buy capacity on a growing share of the 600-plus submarine cable systems carrying over 99 per cent of data between countries, a private map hidden below the wireless internet

Saving Tips July 28, 2026

More than 99 per cent of international data traffic descends from coastal landing stations into hair-thin glass fibres and crosses…

Standard QR codes hide three larger squares in their corners so scanners can orient them from any angle, while their strongest Reed-Solomon setting can restore roughly 30 per cent of damaged codewords, though not necessarily 30 per cent of the visible square

Saving Tips July 24, 2026

Point a phone at a standard QR code taped to a lamppost. The camera can be tilted, the paper can…