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- Derecho (3909 bytes)
1: ... fast-moving band of severe [[thunderstorm]]s. Derechos are usually not associated with a [[weather fron...
4: Derecho comes from a [[Spanish language|Spanish]] word fo...
6: ...d the storms may die and redevelop. Winds in a derecho can be enhanced by [[downburst]] clusters embedde...
8: ...[[July 10]], [[2002]] in [[Germany]]. A serial derecho killed eight people and injured 39 near [[Berlin]...
10: ==Types of derechos== - Hermes (10248 bytes)
3: ... ''hermaion''. An interpreter who bridges the boundaries with strangers is a ''hermeneus.'' Hermes giv...
6: As the related word Herma ?a boundary stone, crossing point? would suggest, Hermes is...
13: ...nglish ''Wednesday'' from ''Wodnes d槧' 'Woden's day'.
21: As a crosser of boundaries, ''Hermēs Psychopompos''' ("conductor of...
26: .... The ''hermai'' were used to mark roads and boundaries. In [[Athens, Greece|Athens]], they were pla... - Timpani (31735 bytes)
3: ...ssical]] [[orchestra]] in the [[17th century]]. Today, they are used in many types of [[musical ensemb...
14: ...|500px|[[Walter Light]] [[Timpani#Pedal timpani|pedal]] and [[Timpani#Chain timpani|chain]] timpani se...
20: ... tones while [[Parabola|parabolic]] bowls produce darker tones. Another factor that affects the timbre...
22: ...impani can play up into the [[treble clef]]. In [[Darius Milhaud]]'s [[ballet]] ''La cr顴ion du monde...
30: ...– seen here on the left of the pedal – to change the pitch of the drum.]] - Baleen Whales (6057 bytes)
5: {{Taxobox_phylum_entry | taxon = [[Chordate|Chordata]]}}
11: [[Balaenidae]]<br/>
12: [[Balaenopteridae]]<br/>
13: [[Eschrichtiidae]]<br/>
14: [[Neobalaenidae]] - Beluga Whales (10188 bytes)
5: {{Taxobox_phylum_entry | taxon = [[Chordate|Chordata]]}}
8: {{Taxobox_familia_entry | taxon = [[Monodontidae]]}}
12: ...leucas | author = [[Peter Simon Pallas|Pallas]] | date = 1776}}
18: ...allas]] in 1776. It is a member of the ''Monodontidae'' [[family (biology)|taxonomic family]] alongsid...
20: ...ga's range has varied with that of the ice pack – expanded during [[ice age]]s and contracting w... - Woodpeckers (14469 bytes)
5: {{Taxobox_phylum_entry | taxon = [[Chordate|Chordata]]}}
8: {{Taxobox_familia_entry | taxon = '''Picidae'''}}
17: ... The long tongue found in some woodpeckers can be darted forward to capture insects.
19: ...y to their rivals, and a method of [[Echolocation|echo-locating]] [[larva|grub]]s under the bark of the ...
26: * '''Family Picidae''', (woodpeckers, piculets, and wrynecks) - Hearing (sense) (2246 bytes)
5: ...ries significantly with age, occupational hearing damage, and gender; some individuals are able to hea...
7: ...t|bat]]s use ultrasound for [[Animal echolocation|echo location]] while in flight. [[Dog]]s are able to ...
17: * [[Missing fundamental]] - Scientific method (40667 bytes)
1: ...c method''' or '''[[process]]''' is considered fundamental to the [[science|scientific]] investigation...
9: ...me were mostly freed from the constraints of everyday phenomena and common sense. This denial of reali...
17: ...rs in its own track, is [...] mere groping in the dark". The ''middle axioms'' building on the lesser,...
33: ... of the mind and senses. Bacon envisaged that foundation as essentially physical and factual, whereas ...
47: ...hat inductive reasoning is not logically valid. [[David Hume]] set the difficulty out in detail. [[Kar... - Radar (16746 bytes)
2: ...tenna.jpg|right|thumbnail|250px|This long range radar [[antenna (electronics)|antenna]] (approximately...
3: ...nd a receiver listens for any [[echo_(phenomenon)|echo]]es. By analysing the reflected signal, the refle...
5: ...iny powers, and then amplified many times. Thus radar is suited to detecting objects at very large ran...
11: ...-conductive materials such as [[metal]], making radar particularly well suited to the detection of [[a...
13: ...r to the way light bounces from a mirror. Early radars used very long [[wavelength]]s that were larger...
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