Cracked glass is an accident waiting to happen, but it doesn't automatically mean you need to toss it. You can repair it at home with one simple trick.

Over the past several years, there have been dozens of reports of glass table tops exploding. However, little has been done to warn consumers.

More than 2.5 million injuries involving glass tables are reported every year, according to scientists at Rutgers. In one hospital, half of all glass-table accidents required surgery.

Scratches appear in the glass over time, gradually releasing the tension until the piece can seem to explode when it shatters without warning or apparent provocation. Wolf said that glass table ...