This is a special measures law that came into force in April 2003 on the use of new energy sources by electricity companies. It requires that these companies use at least a certain share of ...[more]

These are non-silicon solar cells that store solar energy at the earth’s surface. Most solar cells today use silicon semiconductors, but the manufacturing process requires much energy and high ...[more]

A DMV is a single vehicle that can run on both railroad tracks and general roads, developed by Hokkaido Railway Company. Experimental test runs were started on the Senmou Line in Hokkaido in April ...[more]

Hayabusa is an asteroid exploration spacecraft that was launched in May 2003. It follows an orbit similar to that of the Earth, with the purpose of exploring the Itogawa asteroid, which was named ...[more]

Supercomputers have much higher internal processing speeds than common PCs and are also called high performance computing servers. Supercomputers with high-capacity hardware and software are needed ...[more]

This plan, promoted by the Tokyo metropolitan government, seeks to develop ubiquitous environments for the sharing of information by linking the functions of computers and portable devices in ...[more]

HVD is an acronym for holographic versatile disc. These discs use red and blue-green lasers collimated in a single beam. It is a next-general standard for optical discs following Blue-Ray, HD, and ...[more]

An eco-house is an ecologically adapted house that dramatically reduces the use of oil, gas, and electricity to minimize CO2 emissions. Sekisui House introduced eco-houses onto the market in the ...[more]

HIRM is an acronym for heat island reduction material. HIRM A is a special coating developed by Kansai Paint to keep down the rise in the surface temperature of asphalt or concrete under the summer ...[more]

Biodiesel is fuel derived from used cooking oil and other sources for use in diesel engines. If waste oil is simply discarded it pollutes the environment, and so recycling it can kill two birds ...[more]