Cyanobacteria, an ancient lineage of bacteria that perform photosynthesis, have been found to regulate their genes using the same physics principle used in AM radio transmission.

Offering frequency sweep, chirp, FSK and BPSK programmable functions, the Model 2904A precision DDS function generator outputs sine, cosine and TTL signals simultaneously, with ...

Save guides, add subjects and pick up where you left off with your BBC account. f = frequency = number of waves produced by a source per second, in hertz Hz. T = period = time it takes for one ...