A group of mates has come up with a clever way to cut the growing cost of brewing beer - by using leftover bread.

The price of beer is expected to go up by between 2-3 percent from today as an alcohol excise kicks in.

International Breweries Plc – Our Dream is to bring people together for a better world. Beer, the original social network, has been bringing people...

International Breweries Plc – Our Dream is to bring people together for a better world. Beer, the original social network, has been bringing people...

International Breweries Plc – Our Dream is to bring people together for a better world. Beer, the original social network, has been bringing people...

International Breweries Plc – Our Dream is to bring people together for a better world. Beer, the original social network, has been bringing people...

International Breweries Plc – Our Dream is to bring people together for a better world. Beer, the original social network, has been bringing people...

International Breweries Plc – Our Dream is to bring people together for a better world. Beer, the original social network, has been bringing people...

International Breweries Plc – Our Dream is to bring people together for a better world. Beer, the original social network, has been bringing people...

(mycan/Getty Images)A paradox at the heart of quantum physics has been tested in an extraordinary fashion, pushing the boundaries of human intuition...